Emergency services operate at Gravelly Point, after American Eagle flight 5342 collided with a helicopter while approaching Reagan Washington National Airport and crashed in the Potomac River.

美国国家气象局警告，坠机地点的水温仅1.7°C，这种低温会引发“冷水冲击”（Cold Shock），导致遇险者不受控地喘气、呼吸急促，甚至心脏骤停。这也让救援人员的任务更加艰难。

There were 60 passengers and four crew on board the flight that collided on approach to Washington's Reagan National Airport, ...