Calais tactics
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Calais people-smugglers use tree to board lorries

25 August 2016 Last updated at 17:46 BST

Footage has been recorded by the BBC showing the extreme lengths a group of armed people-smugglers were prepared to go to to get migrants in Calais across the Channel to Kent.

The masked men blocked the main route to the French port with a felled tree.

BBC South East witnessed migrants being directed to break into lorries brought to a sudden halt.

Special correspondent Colin Campbell and his producer said the people-traffickers were "ruthless and territorial", controlling the situation armed with large sticks.