Almost a week after a helicopter and airplane collision in Washington killed 67 people, investigators are still at work as salvage crews pull out chunks of aircraft.

Families of victims of the deadliest U.S. air disaster in nearly 25 years visited the crash site just outside Washington, D

Salvage crews have recovered the bodies of all 67 people killed when a passenger plane and a US Army helicopter collided near Washington and plunged into the Potomac River, officials said Tuesday. Sixty passengers on the plane and four crew members were killed in Wednesday's accident along with three soldiers aboard the US Army Black Hawk helicopter.