A midair collision between an Army helicopter and a passenger jet killed all 67 people aboard the two aircraft, officials said, as they search for answers in the nation's deadliest aviation disaster in nearly 25 years.

A small aircraft is down in the Potomac River near Ronald Reagan Washington National Airport and fireboats were on the scene, the Washington fire department said. The airport said late on Wednesday that all takeoffs and landings were halted at the airport as emergency personnel responded to an aircraft incident.

South Holland police ultimately had to clear out trustees, neighbors, and the news media after allies and critics of Thornton Township Supervisor Tiffany Henyard let their fists speak for them.

Ronald Reagan Washington National Airport is closed, according to an FAA alert posted Wednesday night. A ground stop will prevent planes from landing at the airport through at least 5 a.m. Thursday morning,

Ryan Tseko Vo, a Former United Express Captain and Grant Cardone's Private Jet lead Captain, told Fox News Digital that the airspace surrounding Ronald Reagan National Airport is a "high-traffic area" that is difficult to navigate.

DCA is one of the most demanding airports in the world. It also has what’s known as ‘helicopter alley’ with hundreds of police, military, news and rescue helicopters criss-crossing