All flights were grounded at Ronald Reagan Washington National Airport in the US this evening after a reported bomb threat.

Departing flights were paused at 11:18 am ET (4:18pm UK time), and the stoppage is being enforced until 1:30 pm (6:20pm).

The airport said in a statement that passengers were evacuated from a stationary United Airlines plane and "bussed to the terminal".

"We will provide more information as it becomes available," a spokesperson added.

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