7:30 a.m.: Local and federal officials hold a news conference at Reagan National Airport, where they say that they do not believe anyone has survived the crash. Efforts are switching from rescue to recovery, they say, adding that 28 bodies have been recovered to this point.

An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.

First thing is the communication between the air traffic control and the helicopter and the plane … There’s no direct communication between the civilian and the military helicopter and airplane. Instead,