Federal employees across multiple agencies have been directed to remove pronouns from their email signatures. The move stems ...

New footage has emerged of the mid-air collision between an American Airlines passenger jet and a military helicopter - as fresh details of the crash are revealed. The mayor of Washington is due to ...

The US president says the army Black Hawk involved in Wednesday's collision was above the 200ft altitude limit for ...

Latest news and live updates after an American Airline jet collided with a Black Hawk helicopter over the Potomac River.