A major search and rescue operation is under way after a passenger plane with 64 people on board collided with a helicopter carrying three US Army personnel over Washington DC and crashed into a river.

A frantic search for survivors is underway after a passenger plane collided with a US Army helicopter midair near Reagan National Airport outside of Washington, DC Wednesday night.

An airliner carrying 64 people crashed into the Potomac river after it collided with a military helicopter outside Washington DC. The collision happened as the American Airlines flight from Wichita, Kansas,

Hundreds of first responders are diving in frigid water looking for survivors after a passenger plane collided with a US Army helicopter midair at Reagan National Airport near Washington, DC, Wednesday.