A massive investigation is underway in a neighborhood near Audi Field and Nationals Park, where first responders have set up a command post along the riverbank.

Sixty passengers and four crew members from the plane and three Black Hawk helicopter personnel are feared dead as a recovery ...

There were 64 passengers aboard the plane, and three Army soldiers in the helicopter, according to officials. Here's a look ...

Black box' recorder recovered from jet which collided with helicopter killing 67 - Officials say there are no survivors among the 67 passengers on the aircrafts that collided above Washington, D.C.