New footage has captured the moment a passenger plane and military helicopter collided above Washington DC, as Donald Trump suggested the chopper was “flying too high by a lot”.

Experts say the deadly incident poses grave questions about how a collision was able to happen over the US capital.

The military helicopter that collided with an American Airlines flight over Washington, DC, was flying nearly twice as high ...

The American Airlines flight involved in the deadly collision with a Black Hawk helicopter over Washington, DC, seemed to ...