Wynne Davis

Updated at 6:52 p.m. ET

Isaias weakened from a hurricane to a tropical storm as it headed toward Florida's southeast coast on Saturday evening, but it is expected to restrengthen to a hurricane overnight. The National Hurricane Center is warning that tropical storm conditions are expected to begin Saturday night in Florida and is urging residents to prepare "to protect life and property."

Blues guitarist Peter Green, a co-founder of the band Fleetwood Mac, has died at the age of 73.

Representatives from the firm Swan Turton released a statement from Green's family on Saturday saying, "It is with great sadness that the family of Peter Green announce his death this weekend, peacefully in his sleep. A further statement will be provided in the coming days."

Updated at 5:15 a.m. ET Sunday

South Texas is braced for flooding after Hurricane Hanna began battering the state. The first hurricane of the season made landfall twice Saturday as a Category 1 storm.

The first landfall happened at around 5 p.m. about 15 miles north of Port Mansfield, which is about 130 miles south of Corpus Christi, according to the National Weather service. The second landfall took place nearby in eastern Kenedy County. The storm arrived with maximum sustained winds of 90 mph.

Nearly four months after it closed over coronavirus concerns, Disney World is once again inviting guests to experience its Florida theme parks.

The reopening comes as Florida is experiencing a surge of new coronavirus cases, with more than 10,000 being reported on Saturday.

Both Magic Kingdom and Disney's Animal Kingdom opened Saturday to the general public, following limited openings for annual-pass holders and employees. The other two area parks — Epcot and Disney's Hollywood Studios — are expected to open on Wednesday.

As the coronavirus outbreak continues across the U.S., the White House has told federal agencies and executive departments to suspend all work travel unless it is absolutely necessary.

The White House Office of Management and Budget issued new guidance on Saturday telling federal workers that "only mission-critical travel is recommended at this time."

The White House is also encouraging agencies to hold meetings by phone or video-conference whenever they can.

Updated at 4:28 p.m. ET

The U.S. State Department is sending a charter plane to evacuate Americans aboard the Diamond Princess cruise ship that is in quarantine in Japan because of the spread of the coronavirus named COVID-19.

On Saturday, the U.S. Embassy in Tokyo sent a letter to U.S. citizens aboard the ship informing them of the planned extraction scheduled for Sunday night.

Clearing skies were welcome news for residents in Oregon and Washington this weekend following days of heavy flooding that has forced evacuations and untold millions in damage.

This week's flooding followed a particularly wet month of January, even for the Pacific Northwest. In some parts of the region, rain fell on 28 out of the 31 days in January. Snowmelt compounded flooding, pushing several rivers in the region to crest their banks.

Updated at 2:11 p.m. ET

Two U.S. service members were killed and six more wounded during an attack on a joint operation between American and Afghan forces on Saturday in eastern Afghanistan.

Early indications suggest that the two service members were killed in what's known as a green-on-blue attack, in which Afghan forces or infiltrators turn their weapons on U.S. and coalition troops.

From a launch pad at the Kennedy Space Center on Sunday, Elon Musk's SpaceX launched its latest rocket test into the Florida sky. Less than two minutes later, it exploded — just like the company hoped it would.

The explosion itself wasn't so much the success as was what came just before it. That's when the Crew Dragon, a capsule meant to carry astronauts into space, separated from the rocket. That separation was the goal of Sunday's test.

Five people are dead and at least 60 more are injured after a multivehicle crash along the Pennsylvania Turnpike early Sunday morning.

The crash took place at about 3:40 a.m., approximately 30 miles from Pittsburgh, as a tour bus traveling to Cincinnati rolled over and was then hit by two tractor-trailers, according to Stephen Limani, a public relations officer for the Pennsylvania State Police.

Limani said the crash was similar to a chain reaction and involved a bus operated by the Z&D Tour company.

Updated at 3:46 p.m. ET

A U.S. service member and two Defense Department contractors were killed Sunday when the terrorist organization al-Shabab attacked a Kenyan airfield used by both Kenyan and U.S. forces.

Two Defense Department members were also injured in the attack, according to United States Africa Command. They are said to be in stable condition.

The Houston Astros beat the Washington Nationals 8-1 in Game 4 of the World Series to tie it up 2-2.

After losing the first two games at home, the Astros came back to win Game 3 in Washington and continued that momentum through Game 4.

Second-baseman José Altuve was the first Astro to get on base in the first inning while facing Washington's starting pitcher Patrick Corbin. Left-fielder Michael Brantley came up next with another single before third baseman Alex Bregman hit an RBI that gave the Astros their first run of the night.

Kenya's Brigid Kosgei won the Chicago Marathon on Sunday with a time of 2 hours 14 minutes 4 seconds, breaking the previous world record by 81 seconds.

At 25, the Kenyan defended her title after winning last year's event, and put almost 7 minutes between herself and her competition. Both from Ethopia, Ababel Yeshaneh finished second with a time of 2:20:51 and Gelete Burka came in third at 2:20:55.

The previous world record time of 2:15:25 was set by Britain's Paula Radcliffe in 2003 at the London Marathon.

After yet another standout performance, star gymnast Simone Biles can now add two more signature moves that bear her name to her already lengthy list of accomplishments.

In order for a gymnast to have a move named after them, they must submit it for consideration and successfully land it at a major competition, such as the world championships or the Olympics.

Updated at 7:45 a.m. ET Monday

Police in Kansas City, Kan., have arrested one of two men suspected of killing four people in a shooting at a bar early Sunday morning. Five others were injured during the gunfire.

Officers took Javier Alatorre into custody late Sunday afternoon, the Kansas City Police Department says. His suspected accomplice, Hugo Villanueva-Morales, remains at large and "should be considered armed and dangerous, according to the department.

Anti-government protests in Hong Kong continued on Sunday as tens of thousands of demonstrators took to the streets to defy the ban on face masks that went into effect just days earlier.

Hong Kong's chief executive Carrie Lam announced Friday that she would use colonial-era emergency powers to enforce the ban that targets those wearing face masks at public gatherings. Lam is the first to invoke those powers in more than 50 years.

A weekend of protests in Hong Kong ended peacefully on Sunday night, marking a change from the violence that emerged during demonstrations in more recent days.

Massive crowds gathered in Victoria Park earlier on Sunday for a rally that was approved by police, before marching through the city's streets. From there, demonstrators made there way to Hong Kong's Central district, despite not having an approved permit to do so.

Updated at 5:42 p.m. ET

Approximately 10,000 people were left homeless in Bangladesh's capital city, Dhaka, after a fire burned through hundreds of shanties in a slum on Friday night.

Many residents, most of whom are low-wage garment-factory workers, were celebrating the Muslim holiday Eid al-Adha and were not home when the fire broke out. While some people sustained injuries, no deaths have been reported, according to the BBC. The cause of the fire has yet to be determined.

Updated at 9:05 p.m. ET

Puerto Rico Gov. Ricardo Rosselló announced Sunday that he will not seek reelection in 2020.

The announcement follows days of protests across the island sparked by leaked messages between Rosselló and his staff. The messages were widely condemned as homophobic and misogynistic.

Richard Lugar, the former Indiana senator whose work in pursuit of nuclear nonproliferation helped cement his place as one of the Republican Party's most influential voices on foreign policy, died Sunday at the age of 87.

Christians around the world gathered on Sunday to mark the end of Holy Week and celebrate Easter.

Festivities took on many forms. While some worshippers reenacted the Passion of the Christ, others gathered for candlelit services or colorful processions.

The world's largest plane by wingspan took its first flight on Saturday above the Mojave Desert in California.

With a wingspan wider than the length of an American football field, the plane features six turbofan engines, a dual fuselage design and was made using parts from two Boeing jets, according to The New York Times.

Tiger Woods won his fifth Masters title on Sunday, marking an incredible comeback from injury and personal hardship that ended a nearly 11-year-long championship drought.

Woods finished the final round of his 22nd Masters appearance 13 under par, winning the tournament by a single stroke over Xander Schauffele, Dustin Johnson and Brooks Koepka, who were tied for second place.

Updated at 8:38 p.m. ET

Severe weather that moved across the southern U.S. on Saturday left at least eight people dead, injured dozens of others and ravaged numerous homes in its path.

Two children, ages 3 and 8, were killed in eastern Texas when a tree fell on the car in which they were traveling. Angelina County Sheriff Greg Sanches said in a statement that the children, who were in the car with their parents during the storm, were pronounced dead on the scene.

A cruise ship off Norway's western coast was evacuating its 1,300 passengers after losing power and issuing a mayday call on Saturday.

Helicopters and boats were helping with the evacuation, which is expected to continue for many hours, The Associated Press reported.

Updated at 9:00 a.m. ET Sunday

As the floodwaters from Cyclone Idai have started to recede, the death toll has risen to more than 600 across Mozambique, Zimbabwe and Malawi and is expected to continue to grow.

Roll over Spot, Buddy and Rover. Say hello to Cardi B, Harry and Groot! These are just some of 2018's popular names for dogs.

Kate Jaffe is a dog name curator for Rover, the dog and cat service provider. She says that this year pop culture dog name names are in.

"We saw the royal wedding surging as inspiration for dog names," she says. "In fact, dogs named Harry and Meghan were both up about 130 percent this year."

Gibbon Ridge at the National Zoo is a little less lively this weekend after Muneca, a 51-year-old white-cheeked gibbon, was euthanized on Friday.

Muneca lived a long life for a gibbon, which typically live to be around 30 in the wild. The zoo says that at 51, Muneca was the oldest of her species in the Association of Zoos and Aquariums' Species Survival Plan population.

White-cheeked gibbons are critically endangered and the population decreased by an estimated 80 percent throughout Muneca's lifetime because of loss of habitat.

When Vogue unveiled its annual fashion issue earlier this month, the Internet took notice — not just because Beyoncé graced the cover but also because of the photographer behind the image.

India's southern state of Kerala may get some much needed relief in the coming days as the forecast shows less rain for the area that has been dealing with deadly monsoon floods for more than a week.

More than 350 people have died and at least 800,000 others have been displaced, according to The Associated Press. But there are fears that the number of dead could increase as rescue and recovery efforts continue.

Reporting from Mumbai, NPR's Lauren Frayer says that, "tens of thousands of people have been rescued from flooded homes ... but many more are stranded."