The supermodel was vacationing in Thailand when a tsunami struck in 2004, killing nearly 230,000 people. Nemcova tells ABC News' Diane Sawyer about how the kindness of strangers helped her survive.

The government may use "deadly force" against the drones if they pose an "imminent security threat," the FAA said in a Notice to Airmen.

After weeks of reported sightings, the FAA is taking the unprecedented move of shutting down airspace to drones over parts of New Jersey and New York due to “special security concerns.”

ABC News' Jay O'Brien traveled to Mine Hill, New Jersey, where many alleged "drones" have been spotted to talk to residents about the sightings. Experts explain how not everything is as it seems.

Iowa Republican Rep. Zach Nunn serves as a colonel in the Air Force Reserves and has more than 20 years of experience in Air Force intelligence.

Members of the House intelligence committee met for a three-hour classified briefing with top security officials from the FBI, CIA and other agencies over the sightings.

ABC News’ Sam Sweeney reports on what intelligence officials are saying about the mysterious sightings.

Energy agencies also pushed back against reports linking drone sightings to a small amount of medical-grade radioactive material that was temporarily lost in transit.

ABC News' Jay O’Brien reports from the Capitol as lawmakers hold a classified briefing on the mystery drone sightings being reported throughout the U.S.

ABC News has reviewed several videos of these supposed sightings and found that many of them seemed to capture piloted aircraft.

The link between "drone" sightings and radioactive material stemmed from the U.S. Nuclear Regulatory Commission's alert about "lost" medical equipment this month.

The drones were first spotted in mid-November, according to witness accounts.

The FBI has received more than 5,000 tips in the last few weeks about drone sightings in New Jersey and other states, said the joint statement.

Drone hunting technology being used on the battlefield in Ukraine could soon be deployed to crack the mystery behind drone sighting the Northeast.

Ryan Graves spent more than a decade in the service and testified before Congress about unidentified aerial projectiles in 2023.

Sen. Chuck Schumer spoke in support of Robin Radar Systems after multiple drone sightings on the East Coast.

Federal agencies are ramping up efforts to investigate reports of mysterious drone sightings in the Northeast.

White House spokesman John Kirby responds to President-elect Donald Trump’s suggestion the administration knows more than it’s telling the public.

Drones have been spotted over parts of the East Coast since mid-November.

The FBI and the Department of Homeland Security want to ensure the drones alleged to be flying over the region aren't harmful, a source said. The move follows a slew of sightings in recent weeks.

East Coast residents and lawmakers are again demanding answers after another slew of drone sightings in the region, with the origins of the alleged craft still unclear.

Mayor Michael Melham of Belleville, New Jersey, says “we still have objects that are just flying over our homes.”

NJ Assembly Speaker Craig J. Coughlin (D-Middlesex) joins ABC News Live to discuss the latest on drone sightings in the state.

President-elect Donald Trump said “the government knows what is happening” regarding drone sightings on the East Coast.

Retired Air Force pilot Jeffrey Needles discusses the mysterious drone sightings being reported across the U.S.

The Monmouth County Sheriff’s Office posted a heat map of reported sightings and called on the federal government to make “de-drone” equipment available at the state level.

Washington Township Mayor Matthew Murello discusses the reported increase in drone sightings in the Northeast.

Mayor Sam Morris of Mine Hill, New Jersey, wants to know what resources the federal government is using to monitor drone activity.

Citizens and lawmakers are demanding government answers regarding drone sightings over New Jersey in recent weeks. Here's what to know.

Two men were arrested Saturday after allegedly flying a drone “dangerously close” to the Boston airport, police said.

George Stephanopoulos interviews Homeland Security Secretary Alejandro Mayorkas on “This Week.”

Retired Air Force pilot Jeffrey Needles joins ABC News Live to discuss the mysterious drone sightings being reported throughout the U.S.

Top New York political leaders are urging the federal government to deploy high-tech drone hunters to crack the mystery of who is behind numerous sightings.

Federal authorities are deploying additional resources and processing about 5,000 drone-related tips across the Northeast. The FBI and DHS said there's "no evidence” of a threat from the drones.

CEO of Red Cat Holdings Jeffrey Thompson joins ABC News Live to discuss drone sightings across several states.

ABC News’ Gio Benitez reports on drone sightings in the Northeast.

Homeland Security Secretary Alejandro Mayorkas said the federal government is taking action to address the drone sightings that have prompted concern in New Jersey.

“This has gone too far,” New York’s governor said after sightings forced a temporary shutdown at an international airport.

The spate of drone sightings that has bedeviled authorities and sparked alarm among residents.

Stacie Pettyjohn, director of the defense program at think tank "Center for a New American Security," joins to discuss the growing concern over mysterious drone sightings in New Jersey and New York.

A frustrated Gov. Kathy Hochul has called for federal assistance after the latest drone sighting hampered air travel Friday night.

Lawmakers are demanding answers over drone sightings.

Mayor Matthew Murello of Washington Township in New Jersey is expressing his concerns over drone sightings.

Increasing frustration and concern grows as more Northeastern states report swarms of menacing aircraft in the skies being seen. 

There have been "multiple" instances of drones entering the airspace at a Navy weapons station in New Jersey, officials said, as concern continues to grow over sightings.

Since mid-November, large drones of uncertain origin have been repeatedly spotted in the sky at night over central and northern New Jersey.

The drones "operate in a coordinated manner" and have not been identified as hobbyist drones or ones related to the Department of Homeland Security, one official said.

Retired U.S. Air Force pilot Jeffrey Needles discusses the mysterious drone sightings happening throughout the U.S. and the potential possibilities of what the UAVs may be.

Washington Township Mayor Matthew Murello says the New Jersey State Police have been trying to track the drones after receiving hundreds of tips from the public.

ABC News' Jay O'Brien and Luis Martinez discuss the latest sightings which the White House have downplayed as "lawfully operated manned aircraft."