Officials have positively identified 55 of the 67 people killed in Wednesday's midair collision between an American Airlines passenger jet and a military helicopter over the Potomac River, Washington,

Officials gave an update on water recovery efforts days after American Airlines Flight 5342 collided with a U.S. Army UH-60 Black Hawk helicopter and plunged into the Potomac River. As of Sunday, the remains of 55 victims have been positively identified from the crash.