Forty-six 999 calls were made to Bucks Fire and Rescue earlier this afternoon after a fire involving two articulated lorries.
The fire was reported at just before 1pm on Brunleys in Kiln Farm, Milton Keynes.
Three fire engines rushed to the scene.
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One nearby resident reported on Twitter hearing 'loud explosions' and seeing 'thick smoke' that 'filled a nearby estate'.
Firefighters used a main jet, a hose reel, two sets of breathing apparatus and a toolkit as they extinguished the fire
One of the trailers was filled with bubble wrap.
Bucks Fire and Rescue have said that 'arson has not been ruled out as a possible cause'.
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