Mid-air collision kills 67 people in deadliest US air disaster since 2001

In this photo provided by the US Coast Guard, response boat crews from Coast Guard stations Washington, Curtis Bay, Annapolis, Oxford and Crisfield enforce a safety zone around a wreckage site in the Potomac River (Petty Officer 2nd Class Taylor Bacon/US Coast Guard via AP)

A mid-air collision between an Army helicopter and a jetliner killed all 67 people aboard the two aircraft, officials said on Thursday.

At least 28 bodies were pulled from the icy waters of the Potomac River after the helicopter apparently flew into the path of the American Airlines regional jet late on Wednesday while it was landing at Ronald Reagan National Airport, just across the river from Washington.