Eyewitness: Didcot power station collapse

A local resident Adrian Redhead told PM the collapse of Didcot power station was "deafening".

"It sounded like a train had just come off the track, it was that loud."

"Within about 30 seconds I could hear the emergency vehicles. There were two or three helicopters up straight away," he added.

South Central Ambulance Service say there have been several casualties.