Conspiracy theories have arisen online as people look for answers following the plane and helicopter collision.

While driving home, Ari Shulman said a "spray of sparks" in the sky caught his attention as he watched in horror the midair ...

In his first news conference since the aircraft collision over the Potomac River, President Donald Trump on Thursday implied ...

Ari Shulman, an eyewitness, describes the moments he saw a plane and helicopter collide midair as he was driving home.

Dave Friello, a resident of northern Virginia, was arriving at the airport about 9 p.m. to pick up a friend flying in when he ...