The National Transportation Safety Board said on Monday it has completed interviews with air traffic controllers in its investigation into the collision last week between an American Airlines regional passenger jet and a U.

Conflicting reports have emerged on the cause of the plane crash in Washington, D.C. last week. An American Airlines jet collided with a U.S. Army Black Hawk helicopter outside of Ronald Reagan National Airport in Washington,

What we know so far about the mid-air collision near Reagan Airport - Questions remain over the mid-air collision between a jet, which was carrying 64 people, including the crew, and a military helico