Investigators have recovered the flight recorders—also known as black boxes—from both the commercial jet and the military helicopter involved in the mid-air collision near Reagan National Airport in Washington,

Officials say the conditions of the Potomac River are complicating recovery efforts of the bodies of the 67 presumed dead in a mid-air collision between American Airlines flight 5342 from Wichita and a military Black Hawk helicopter.

WASHINGTON — More than a dozen bodies have been pulled from the Potomac River after a plane collided with a military helicopter in midair and crashed into the Potomac River near Ronald Reagan Washington National Airport (DCA) on Wednesday night.