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.

An American Airlines flight and a military helicopter collided and crashed into the Potomac River near Reagan National Airport Wednesday evening.

Several federal and state investigations have been launched after an American Airlines flight and a military helicopter collided near Ronald Reagan Washington National Airport and fell into the Potomac River,