An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

D.C. police confirmed a crash had taken place over the Potomac and that search and rescue operations were taking place in the river. Donald Trump later weighed in.

An NTSB-led investigation is in full swing to identify factors that led to the Jan. 29 midair collision between an American Eagle Bombardier CRJ-700 operated by PSA Airlines on approach to Ronald Reagan Washington National Airport (DCA) and a U.S. Army Sikorsky UH-60L Black Hawk helicopter.

Transportation Secretary Sean Duffy told reporters that the flight patterns of both the American Airlines jet and blackhawk military aircraft that crashed late Wednesday were not "unusual."

The plane went down in the Potomac River near Reagan National Airport. An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National Airport after colliding with a U.S. Army Black Hawk helicopter on Wednesday night, with no survivors expected.

Transportation Secretary Sean Duffy said that the collision between an American Airlines passenger plane and an Army helicopter was preventable.

No survivors are expected, authorities said Thursday, after a commercial flight and a helicopter collided in midair Wednesday night as the jet was about to land at Ronald Reagan National Airport in Washington,

An American Airlines plane carrying 60 passengers and four crew members collided with an Army Black Hawk helicopter outside Reagan National Airport near Washington, D.C. Wednesday evening. Three soldiers were onboard the helicopter and a massive search and rescue operation is now unfolding in the Potomac River.

Duffy was sworn into the Cabinet position just hours before an American Airlines passenger plane collided with a U.S. Army Black Hawk helicopter over the Potomac River

WASHINGTON – Central Wisconsin's Sean Duffy is facing his first big test as secretary of the Department of Transportation just one day after he was sworn into office. A commercial jet carrying 64 people collided in midair with an Army helicopter carrying three servicemembers Wednesday night near Washington,

Transportation Secretary Sean Duffy gives an update on the investigation into a deadly plane crash involving an American Airlines jet in Washington, D.C.