Cornwall Fire and Rescue Service says the crash happened at about 23:00 on Tuesday.
The Cornwall Air Ambulance Trust is a charity that provides a dedicated helicopter emergency medical service for Cornwall and the Isles of Scilly. The crew attend more than 1000 missions every year.
Cornwall Live on MSN
Worker seriously injured after falling through roof in Truro
He was airlifted to hospital ...
A police cordon is in place outside a Greggs branch in Tiverton, Devon, with people urged to avoid the area. Witnesses said an air ambulance has also landed at a nearby school.
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