Crews returned to the Potomac River on Friday as the search continues for any debris tied to the deadly midair collision near Reagan National Airport.

Multiple helicopters, including those from the U.S. Park Police and the D.C. Metropolitan Police Department and U.S. military, were flying over the scene of the incident in the Potomac River.

16 (UPI) --A vehicle plunged into the Potomac River following a collision with ... but was later reopened, U.S. Park Police said in a statement. Honolulu police arrest four suspects for deadly ...