Britain already has a deal with France to try and prevent refugees and and migrants from crossing the Channel, but until now, authorities have resisted entering the water themselves.

French authorities have until now resisted entering the Channel to stop dinghies leaving beaches for Britain, but its government is prepared to change the rules

French government braces for legal challenges to new tactics, involving extra police, boats and drones

Britain already has a deal with France to try and prevent refugees and and migrants from crossing the Channel, but until now, authorities have resisted entering the water…