More than 60 people are presumed dead after an American Airlines passenger jet and an Army helicopter crashed midair near Washington, D.C, Wednesday evening, officials have said.Flight 5342 from Kansas was on the final approach to Ronald Reagan National Airport when it collided with the Black Hawk helicopter before exploding a huge fireball.

Three U.S. Army soldiers were onboard a BlackHawk helicopter that collided with a passenger jet near Ronald Reagan Washington National Airport, U.S. officials said on Wednesday.

An American Airlines plane prepares to land at Ronald Reagan Washington National Airport as crosses are seen in a makeshift memorial for the victims of the plane crash in the Potomac River Friday, Jan.

American Airlines Flight 5342 and a U.S. Army Black Hawk collided in Washington, D.C. Authorities believe all 67 on board both aircraft died.

Family members of the victims of the plane crash in Washington, D.C., visited the crash site on Sunday morning. Dozens of the victims' loved ones could be seen gathered by the Potomac River to commemorate the 67 people killed in the deadly midair collision last week.

Who was on the plane that crashed outside D.C.? How many people died in the plane crash? Here's what we know after the plane and helicopter collision.

Recovery operations are still under way in Washington DC, after an American Airlines plane from Kansas carrying 64 people onboard collided with a military helicopter, manned by three personnel, on Wednesday night.