DC plane crash: Search and rescue diver explains conditions

An American Airlines jet carrying 64 people collided with an Army helicopter while landing at Ronald Reagan National Airport near Washington, DC, Wednesday night. Three soldiers were on the helicopter. Officials say at least 28 bodies have been recovered, and no survivors are expected as crews continue to search the Potomac River. Justin Barbour, an expert search and rescue diver, explains the conditions that divers are facing.

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