The nation mourned its deadliest aviation accident in decades Thursday, a midair crash between a passenger jet and an Army helicopter that killed 67 people in Washington, while President Trump blamed Democrats for enabling the tragedy with misguided diversity policies that he said put safety second.

President Trump on Thursday appeared to blame diversity initiatives at the Federal Aviation Administration (FAA) for weakening safety following a deadly midair collision near Reagan National

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.

Wednesday's crash was the deadliest in the U.S. since Nov. 12, 2001, when an American Airlines flight crashed into a residential area of Belle Harbor, New York, just after takeoff from Kennedy Airport, killing all 260 people aboard.

The staffing at the air control tower at Reagan National Airport was "not normal" when an American Airlines plane and Army helicopter collided on Wednesday night, a report shows.

A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.

The American Airlines plane operating as American Eagle Flight 5342 collided with an Army Black Hawk helicopter near Reagan National Airport.

Federal authorities are asking questions as to how the collision between an American Airlines flight and a military helicopter could have occurred.

Deadly mid-air collision over Washington, D.C., reignites concerns over air traffic congestion and safety risks at Ronald Reagan Washington National Airport

Wednesday’s fatal crash of a civilian plane and military helicopter at Reagan National Airport may reflect rising stresses on air-safety systems.

A regional jet collided with a military helicopter on Wednesday night while landing at Reagan Washington National Airport, according to the Federal Aviation Administration. Here's what we know.

A massive search operation is underway after a passenger aircraft carrying 64 people collided midair with a US Army Black Hawk helicopter near Reagan National Airport outside of Washington, DC, according to aviation and defense officials.