Man Faces Possible Amputation After Likely Fireworks Explosion in Central Park Mangles His Leg: Reports

Airports Across U.S. Step Up Security Ahead of July 4 Weekend: 'You Have to Be Alert 24/7'

Body Parts Wash Ashore at Rio Beach Weeks Ahead of Olympic Games

Grin of 3 Devils: Chilling New Photo of Suspected Istanbul Bombers Shows Them Smiling Before Attacks

'Vapor Wake Dogs' Take Bomb-Sniffing to New Level: 'They Are the Best Bomb-Detecting Tool We Have'

America's Airports Remaining Vigilant Following Turkey Attack and Bomb Scare at JFK

White House, Trump, Clinton Weigh In on Turkey Massacre

Footage Reveals Grim Scenes From Inside Turkish Airport During Attacks

Terror in Turkey: ISIS Suspected in Airport Attack That Killed 42, Injured More Than 230

Passengers Watch in Horror as Airplane's Wing Bursts Into Flames After Emergency Landing