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A search is under way for alternatives to Kent's Operation Stack as strikes and cross-Channel disruption are set to continue.

As chaos in Calais continues, police in Kent turn the M20 into a giant lorry park to hold trucks waiting to cross the English Channel. But what is the cost of Operation Stack?

Latest aerial footage shows the M20 completely gridlocked as Operation Stack is in full effect. Take a look at this GoPro aerial footage which shows the long queues at the Ashford end of Operation ...