
A passenger plane has been surrounded by police and fire crews after making an emergency landing at Heathrow after takeoff.
United Airlines flight UA949 left Heathrow at 12.45pm before turning around and making an emergency landing.
The crew declared an emergency on board the flight as it headed to San Francisco and made a U-turn.

The reason for the return to London was a technical fault, AirLive reports.
Police vans and fire engines were scrambled to the runway and met the plane after arrival.
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