Multiple suspects are in custody across four federal districts after the FBI and Secret Service thwarted a coordinated multi-state plot to attack Sunday's White House UFC event using explosive-laden drones and snipers.

A massive Air Force B-52 Stratofortress strategic bomber crashed shortly after takeoff at Edwards Air Force Base on Monday, resulting in an unsurvivable post-crash fire that claimed the lives of all eight crew members on board.

A 19-year-old faces four federal charges after his own mother called police over concerns about his behavior.