CHRIS MURPHY The shocking images show a masked man trying to hide the chainsaw in front of a wall of flames

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The driver was threatened with a chainsaw in Calais on Monday evening, during a night of violence in the French port town, according to the Freight Transport Association (FTA). The Kent-based FTA said migrants used fuel to make a wall of fire to grind traffic to a halt in a bid to climb onboard.

A Belgian driver told the FTA that he saw one of the migrants, donning a mask, attempting to conceal the deadly chainsaw. The incident has sparked fears attacks could escalate as numbers in the town’s Jungle camp have reached more than 7,000, with migrants becoming more desperate to reach the UK now that Britain has voted to leave the EU. The driver’s boss, who did not want to be named, said: “Please do something, there will be deaths. Our drivers are threatened every night."

GETTY Migrants have been trying desperately to make it to Britain

Chris Yarsley, the Freight Transport Association's EU Affairs Manager, said: "These drivers are just trying to do their job, moving goods from Europe to the UK through the country's busiest port. "Attacks like this are unacceptable and more needs to be done to protect them as they go about their work." There were more problems in Calais last night after migrants set fire to a lorry on a bridge near the port.

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IG The Jungle camp currently has around 7,000 migrants living there