WASHINGTON (WDCW) – The National Park Service (NPS) said Wednesday that construction on seawalls guarding areas of the Potomac River will ... also inundates trees planted along the seawall ...

Several federal and state investigations have been launched after an American Airlines flight and a military helicopter collided near Ronald Reagan Washington National Airport and fell into the ...

A jet carrying 60 passengers and four crew members collided with an Army helicopter while landing at Washington airport, ...