Lottery officials say the Powerball jackpot has ballooned to $750 million after no ticket matched all six numbers in the most recent drawing.

The numbers drawn Saturday night are 24, 25, 52, 60 and 66, with a Powerball of 5.

The next drawing for what would be the fourth-largest jackpot in U.S. history is Wednesday. The odds of winning are roughly 1 in 292.2 million.

No one has won the Powerball jackpot since the day after Christmas. Twenty-four drawings since then have failed to produce a winner.

The buyers of three tickets shared the country's largest jackpot. It was a nearly $1.59 billion Powerball prize drawn on Jan. 13, 2016. A South Carolina purchaser won a $1.54 billion Mega Millions jackpot. That was the nation's second-largest lottery prize ever.

A driver working with NBC News in Syria was killed Saturday after a device exploded in the vicinity of a group of the network's journalists, NBC News’ president said.

"We are thankful that NBC employees escaped unharmed, however one of the local drivers working with them was tragically killed," NBC News President Noah Oppenheim said in a statement. "Our deepest sympathies go out to his family and loved ones."

Oppenheim said that "we are still gathering information from today's events, and are in touch with the driver’s family to support them however we can."

To help make sure you stay informed on the most shared and talked about stories, each Saturday and Sunday we'll revisit 5 stories from the previous week, including the most recent updates.

Fire at the Beach

Flames broke out in a group of newly-constructed buildings at Silver Sands State Park late Tuesday night. A concession stand, public restroom, and an office building were destroyed in the fire. The state park was closed for most of the week, but reopened on Friday. See more on the fire here. Multiple construction trailer fires were reported at the park on Sunday. The trailers were part of the construction site for the concession stand and restroom that burned down earlier in the week. More on the construction trailer fires here.

Hoops in Hartford

Thousands of basketball fans packed downtown Hartford this week as the XL Center hosted the first and second rounds of the NCAA men's basketball tournament. Fans from around the country came to see Villanova, Florida State, Murray State, Purdue, and other schools try and advance to the Sweet Sixteen. For more on the tournament in Hartford, click here.

Casino Given Green Light

The Department of the Interior on Thursday gave its approval for the tribal casino in East Windsor. The Mashantucket Pequot Tribal Nation and Mohegan tribe have proposed a $300 million casino just off I-91. The Mashantucket Pequot chairman said the decision means they will move forward with construction. See more on the casino decision here.

Pilot Rape Allegations

Two female JetBlue crew members allege that they were drugged and raped by a pilot during a layover in Puerto Rico last May. In a lawsuit, the women claim the were given a beer laced with a drug by a pair of JetBlue pilots. One woman claims she woke up later in a bed with one of the pilots raping her. Read more about what they say happened here.

Harvard Lawsuit

Tamara Lanier, of Norwich, filed a lawsuit against Harvard University Wednesday, claiming the school profited from photos of two 19th-century slaves who are her ancestors. The images are believed to be the earliest known photos of American slaves. The lawsuit demands that Harvard immediately turn over the photos, acknowledge Lanier's ancestry, and pay her an unspecified sum of money. Click here to see more on what the lawsuit accuses Harvard of doing.

Firefighters battling a fire at a home in Oxford late Saturday night found three people dead inside the home.

Emergency crews received a dozen 911 calls for the fire on O'Neil Road around 11:20 p.m. on Saturday and found the home engulfed in flames.

While firefighters were extinguishing the flames, they found three adults dead in the home.

The state medical examiner has responded to the scene, according to state police. Officials have not released the identities of the adults who were killed.

The single family home is considered a total loss, according to fire officials. There is no damage to any surrounding homes.

Oxford police are investigating and are being assisted by the State Police Major Crimes unit and state fire investigators.

Investigators are working to determine what caused two construction trailers to catch on fire at Silver Sands State Park in Milford on Sunday morning.

The call came in just before 7 a.m., police said.

Firefighters found two 40-foot trailers burning when they arrived, according to fire officials.

The trailers housed equipment for the construction at the park, according to Milford Police.

"The construction company does own those storage containers, but we aren't confirming right now whether it's tied to that investigation. The containers are your basic storage containers. They're steel. They're probably 40 feet long, eight feet wide or so, maybe eight feet high," said State of Connecticut Environmental Conservation Police Captain Keith Williams.

The trailers were part of the construction site for newly-built buildings that burned down in a massive fire on Tuesday night.

The buildings housed a concession stand and dining area, public restrooms and an office to serve visitors of the park, according to fire officials.

Construction began on the buildings in 2018. The nearly completed buildings were scheduled to be open for Memorial Day weekend.

The park was closed after the fire on Tuesday night and reopened on Friday. 

The Department of Energy and Environmental Protection said parts of the park will remain off-limits and will be fenced off. The main parking area, beach and boardwalk will be open to visitors through the beach service road. The current boardwalk to the beach was already closed due to the recent construction.

Investigators are working to determine the cause of Tuesday's fire.

This is a developing story. Please check back for updated details.

A second survivor of the Parkland school shooting has died in what police are calling an apparent suicide, officials said Sunday.

The identity of the student has not been released but Coral Springs Police Department Public Information Officer Tyler Reik said the deceased was a Marjory Stoneman Douglas High School student, NBC News reported.

News of the teenager's death comes days after 19-year-old Sydney Aiello was laid to rest. Aiello – a graduate of the school who also survived the shooting – died by suicide last weekend.

Ryan Petty, whose daughter Alaina died in the school attack, started the Walkup Foundation to raise awareness of mental health issues both to prevent mass shootings and to help those suffering after they occur.

"It’s devastating, it was hard enough to lose the 17 and to think that more people are suffering to the point where they feel like they need to take their own life, it’s heartbreaking," Petty said of Aiello's death.

The American Psychological Association states that survivors of mass shootings have improved long-term outcomes when helped by the community and by having access to mental health support.

"As a community psychologist, I've seen firsthand the importance of mental health promotion efforts that have nothing to do with counseling per se, but that help the community heal together," University of California, Santa Barbara, assistant psychology professor Erika Felix, who led a study on the subject of mass shooting survivors, wrote in a statement.

Parkland Mayor Christine Hunschofsky is urging her community to visit the Broward County Resiliency Center if help related to mental health is needed. Located at Pine Trails Park at 10561 Trails End in Parkland and open from noon until 7 p.m. on weekdays and 5 p.m. on weekends, the center offers grief counseling, community resources referrals and specialized groups.

If you are in crisis, call the National Suicide Prevention Lifeline at 800-273-8255 or reach out to the Crisis Text Line by texting 'Home' to 741741. Other helpful organizations: The Columbia Lighthouse Project and Children's Services Council of Broward.

After a nearly two-year investigation into the 2016 election, the Trump campaign and Donald Trump's acts as president, special counsel Robert Mueller submitted his report to the Department of Justice on Friday. On Sunday, Attorney General William Barr sent a four-page letter summary of the report to Congress.

Here are six key findings from the report, according to Barr's letter:

THE TRUMP CAMPAIGN DID NOT CONSPIRE WITH RUSSIA
Over the past two years, 'No Collusion' has become a Trump mantra. He's said it over and over again - at rallies, to the press, and in tweets. According to Mueller, he was right.

"The Special Counsel did not find that the Trump campaign, or anyone associated with it, conspired or coordinated with the Russian government in these efforts, despite multiple offers from Russian-affiliated individuals to assist the Trump campaign," Barr wrote in his letter.

MUELLER DID NOT REACH ANY CONCLUSIONS ABOUT OBSTRUCTION
Over the past two years, many of Trump's actions as president have come under the media spotlight because of accusations of obstruction of justice - from firing FBI Director James Comey to publicly attacking Deputy Attorney General Rod Rosenstein. According to the letter, Mueller and his team examined these actions, gathered evidence on both sides of the argument, but did not reach a conclusion.

"After making a 'thorough factual investigation' into these matters, the Special Counsel considered whether to evaluate the conduct under Department standards governing prosecution and declination decisions but ultimately determined not to make a traditional prosecutorial judgment. The Special Counsel therefore did not draw a conclusion - one way or the other - as to whether the examined conduct constituted obstruction."

It's not clear from the letter why Mueller decided not to draw any conclusions.

MUELLER SAID HIS REPORT DOES NOT 'EXONERATE' TRUMP
While Mueller didn't draw conclusions about whether Trump obstructed justice, he made it clear that doesn't mean Trump didn't commit a crime. 

According to Barr: "The Special Counsel states that 'while this report does not conclude that the President committed a crime, it also does not exonerate him.'"

BUT BARR AND ROSENSTEIN DECIDED TRUMP DID NOT OBSTRUCT JUSTICE
Because Mueller didn't make a decision on obstruction, it was left for Barr to decide of Trump should be prosecuted, Barr said in his letter. He decided that nothing in the report rose to the level of obstruction of justice.

"After reviewing the Special Counsel's final report on these issues; consulting with Department officials, including the Office of Legal Counsel; and applying the principles of federal prosecution that guide our charging decisions, Deputy Attorney General Rod Rosenstein and I have concluded that the evidence developed during the Special Counsel's investigation is not sufficient to establish that the President committed an obstruction-of-justice offense," Barr wrote in the letter.

Barr said part of the reason Trump shouldn't be prosecuted is because there was no evidence of a conspiracy. Since there was no underlying crime that Trump was trying to conceal, proving obstruction would be difficult.

BARR WOULD NOT PROSECUTE TRUMP EVEN IF TRUMP WEREN'T PRESIDENT
Throughout the Mueller investigation, there's been much debate about whether a sitting president could be prosecuted for a crime. Barr himself wrote a memo before being named attorney general in which he argued that a sitting president could not be prosecuted.

In the end, Barr says it doesn't matter: There is not enough evidence to prosecute Trump regardless.

"Our determination was made without regard to, and is not based on, the constitutional considerations that surround the indictment and criminal prosecution of a sitting president," the letter said.

THE FULL REPORT MIGHT NOT BE RELEASED
At the end of his letter, Barr says that the full Mueller report includes information that cannot be made public due to restrictions on the release of information related to matters before a grand jury. He also said some information could impact 'other ongoing matters,' including cases that Mueller has referred to other prosecutors.

He said he's working with Mueller to determine what can be released. But he provided no timeline (other than "as quickly as possible"), and the full report may never be released.

In short: The public may never see the full report.

A man was arrested in East Haven on Thursday after an investigation into multiple thefts in areas across the state.

East Haven Police posted photos of the man, later identified as 32-year-old Brian Mclaughlin, on Facebook which led to his identification and arrest.

Mclaughlin is accused of stealing two cartons of cigarettes at a Main Street Rite Aid on Feb 3. This incident prompted an investigation which connected Mclaughlin to several other thefts through surveillance footage in areas including North Branford, Wallingford, North Haven and Monroe, according to police.

Police said the theft in East Haven had similarities to the thefts in other areas.

Mclaughlin had four active arrest warrants for larcenies of various degrees, police said.

Mclaughlin was charged with sixth degree larceny and was released on a $1,000 bond.

Mclaughlin was later turned over to the Fairfield Police Department for several active arrest warrants out of their jurisdiction, according to police.

He is expected to appear in court on April 3 in New Haven.

New England Patriots tight end Rob Gronkowski has announced his retirement.

The Super Bowl champion did so in a post on Instagram Sunday night just before 6 p.m. 

"It all started at 20 years old on stage at the NFL draft when my dream came true, and now here I am about to turn 30 in a few months with a decision I feel is the biggest of my life so far," he said in the post.

"Cheers to all who have been part of this journey, cheers to the past for the incredible memories and a huge cheers to the uncertain of what's next."

The tight end suffered a number of injuries throughout his career and underwent at least six surgeries. In the 2018 season, he missed three games due to back and ankle injuries and was diagnosed with a concussion on Jan. 21.

Gronkowski ends his career with three Super Bowl rings and 79 career touchdowns. He was selected to the NFL Pro Bowl five times, named to the AP All Pro team four times and won the 2014 Comeback Player of the Year. He leads all NFL tight ends with career average of 68.4 receiving yards per game. 

He played in 16 playoff games throughout his career, amassing 81 receptions, 1,163 yards and 12 touchdowns.

The last catch of his career was a 29-yard reception from quarterback Tom Brady in Super Bowl LIII against the Los Angeles Rams. That set up Sony Michel's game winning touchdown run. Gronkowski fought off double-coverage to haul it in. It was the last of six catches in the game.

Thanks to his injury history, rumors surrounding Gronkowski's potential retirement have been abundant. After the Patriots loss to the Philadelphia Eagles in Super Bowl LII, Gronkowski was asked by reporters if he was going to call it quits.

“I don’t know how you heard about that,” he responded.

Gronkowski spent his entire career with New England. He was drafted 42nd overall in 2010 after two years at Arizona in which he scored 16 touchdowns.

Brady thanked his tight end with his own post on Instagram.

"The NFL was a better place with you in it," he said. "But I have no doubt you will be a success in anything you do."

The Mueller report, long thought by Democrats to be the key to ousting President Donald Trump, may instead be a powerful tool for his re-election campaign, NBC News reports.

After 22 months, special counsel Robert Mueller reported he found no evidence of anyone on the 2016 Trump campaign conspiring with the Russian government to throw that election, and Attorney General William Barr said he didn't see sufficient evidence to prosecute the president for obstruction of justice.

The findings unburden Trump from a probe that has cast a dark shadow over him for virtually his entire presidency to date. That's a major boon as he turns the corner to his re-election effort.

In his defiant response on Sunday, Trump may have vastly oversimplifying Mueller's full conclusions, which have not been revealed and could include damaging information about the president's behavior. But even if there are land mines in that report — and if it sees the light of day — many voters may skip the nuance and determine that Trump did nothing wrong if he wasn't prosecuted.

Special counsel Robert Mueller was clear that he did not find "that the Trump campaign or anyone associated with it conspired or coordinated with Russia in its efforts to influence the 2016 U.S. presidential election," the attorney general told Congress Sunday.

But an NBC News analysis noted that Mueller, a Vietnam combat veteran, surprised many who know him by punting on another key issue. He left to Attorney General William Barr, who had criticized the Mueller probe before taking office, the question of whether there was sufficient evidence that President Donald Trump obstructed justice.

Gregory Brower, a former top FBI official, said it was curious that Mueller didn't step into the obstruction issue, because the "point of the special counsel was to (mostly) take the investigative and prosecutorial decisions away from the Trump appointees."

House Judiciary Committee Chairman Rep. Jerry Nadler, D-N.Y., tweeted that he would call Barr to testify about his decision.

A full-sized van hit a building and caused "considerable damage" in Danbury on Sunday night, according to police.

The van caused damage to structural supports to the second floor of the building, police said.

The building, owned by the Philadelphia Pentecostal Church on New Street, is used as a rectory, according to police.

Police said the driver wasn't injured in the accident.

Danbury firefighters shored up the house to prevent any further damage from collapse, according to police.

The world's largest medical device company has acknowledged that many of its implanted cardiac defibrillators use an unencrypted wireless protocol that could allow an attacker to change the settings of the lifesaving devices, NBC News reported.

The vulnerability affects more than 20 defibrillator models, monitors and programmer units made by Medtronic Inc. of Fridley, Minnesota. The devices include implantable cardioverter defibrillators, or ICDs, which can correct dangerously fast or irregular heartbeat, and cardiac resynchronization therapy defibrillators, or CRT-Ds, which essentially are pacemakers that deliver small electrical charges to help keep the heart's ventricles pumping in sync.

In a bulletin issued late last week, the Cybersecurity and Infrastructure Security Agency, part of the U.S. Department of Homeland Security, assigned the flaw a vulnerability score of 9.3 — near the top of its 10-point scale. It said the flaw could allow a bad actor of "low skill level" to read and write any memory location on the implanted devices.

Medtronic acknowledged in a statement that the flaw could allow an unauthorized individual to gain access to the equipment's settings — and possibly change them. But the company and the U.S. Food and Drug Administration advised patients to continue using the devices while a fix is developed, adding that no one is known to have successfully exploited the flaw.

Twelve defendants who allegedly played a role in a major college admissions scandal are scheduled to appear in Boston's Moakley Federal Courthouse on Monday.

For nearly two weeks, the courthouse has been the epicenter of the scandal, with defendants and their lawyers slowly processing out after being in front of a judge. But Monday will be the busiest day yet.

Those expected to appear include college coaches and administrators, as well as members of the fake non-profit accused of covering up the crime.

The man behind the scandal is William Singer, who pleaded guilty to conspiracy and other charges in federal court on March 12. Singer was allegedly paid $25 million from about 800 families over the course of years. 

In exchange, Singer would promise admission into some of the country's top universities. The scheme involved falsifying scores on college entrance exams and creating fake athletic profiles to get the applicants in as student-athletes.

The scandal was first exposed on March 12 when 50 people, including Hollwood actresses Felicity Huffman and Lori Loughlin, were indicted by the FBI and the U.S. attorney's office in Boston in an alleged far-reaching bribery scheme that involved college athletic coaches and college entrance exam administrators. Feds dubbed the bust "Operation Varsity Blues."

One defendant scheduled to appear before a judge Monday is Igor Dvorskiy, the director of a prep school in Los Angeles where students allegedly had their test scores changed.

According to court documents, Dvorskiy was typically paid $10,000 per student to allegedly allow another man to take the test in the student's place. He would also reportedly change their answers on his own.

There are two major court dates left after Monday, including April 3, when actresses Felicity Huffman and Lori Laughlin will appear in court.

A tanker truck carrying home heating oil rolled over in Derby and some fuel spilled and leaked into a storm drain and into the Naugatuck River, according to fire officials. 

Assistant Fire Chief Thomas Biggs, of the Derby Fire Department, said crews responded to the rollover around 7:50 a.m. and a hazmat team stopped the leak. Crews from the state Department of Energy and Environmental Protection are removing fuel from the tanker so a tow company can remove the truck.

Route 34 east at the Main Street/Route 8 on-ramps is closed, according to Derby police.

Traffic heading east on Route 34 is being diverted to Derby Avenue and into Ansonia/Division Street.

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Police warn drivers to expect significant delays on Route 34 east coming in from New Haven.

Mutual aid was called in from Bridgeport, Ansonia, Seymour and Shelton. 

A special election will be held in May after the death of a state representative. Ezequiel Santiago, 45, died on March 15 after a heart attack.

Gov. Ned Lamont has scheduled a special election on Tuesday, May 7 to fill the state representative seat in the 130th Assembly District of the Connecticut House of Representatives, which includes portions of Bridgeport. 

State law requires the governor to issue a writ of special election within 10 days of a vacancy in the General Assembly and a special election must be held exactly 46 days after the date the writ was issued, according to the governor’s office. 

Lamont issued the writ on Friday, his office said.

A pedestrian has serious injuries after a crash in Milford early Monday morning and the driver of the vehicle involved has been apprehended.

Police said a vehicle hit a pedestrian on Naugatuck Avenue just before 2 a.m. and left the scene.

The operator of the vehicle was apprehended a short distance away and charges are pending, according to police.

The pedestrian suffered serious, but non-life threatening injuries in the crash, police said.

An investigation into the crash is ongoing.

Officers said Naugatuck Avenue is closed between Monroe Street and Broadway. It is unclear when the road will reopen.

A woman has died after a house fire in Windham on Monday morning.

Fire officials said the 55-year-old woman was taken to the hospital, where she was later pronounced dead. Officials have not released the woman's name.

“The person was found inside the building, removed from the building and sent to Windham Hospital in the Willimantic Ambulance with the Windham Hospital paramedics on board. She was pronounced dead at the hospital,” said Windham Center Fire Department Public Information Officer Susan Herrick.

Fire officials said the fire started in the east portion of the home on Bass Road.

Crews from North Windham and South Windham fire departments helped knock down the fire quickly, according to firefighters.

The cause of the fire is under investigation by the state fire marshal's office.

Police are asking drivers to avoid the area of Dixwell and Whitney avenues in Hamden.

They said a gas leak was reported and people should avoid the area as crews work to make repairs.

Attorney and prominent Trump opponent Michael Avenatti will be charged for attempting to extract more than $20 million in payments from Nike by threatening to use his ability to garner publicity to inflict substantial financial and reputational harm on the company if his demands were not met, according to federal prosecutors in New York. 

In addition to the New York charges, Avenatti is also facing bank and wire fraud charges in Los Angeles for alleged embezzlement.

A spokesperson for the FBI confirms that attorney Michael Avenatti was arrested by FBI agents at approximately 12:30 p.m. Monday inside a building in midtown Manhattan.

According to the federal complaint, Avenatti is charged with conspiracy to transmit interstate communications with intent to extort, conspiracy to commit extortion, tansmission of interstate communications with intent to extort and extortion. 

The FBI allegedly became aware of a multi-million extortion scheme in which Avenatti used threats "of economic and reputational harm to extort Nike."

This is a developing story.