Investigations are starting after a fire at an old aircraft hangar on the former RAF Manby site in Lincolnshire.
50 firefighters were tackling the blaze at its hight and there was a danger of it collapsing. Eyewitnesses claim there were a series of explosions inside the hangar, which its understood store diesel engines.
The old RAF base, which is five miles east of Louth, closed in 1974 and is now used as a business park.
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