Travellers heading towards France could face traffic delays for several weeks, police have warned, as UK officials assist French border staff to help ease congestion.
The combination of new security checks and a holiday exodus caused "extraordinary" tailbacks this weekend amid soaring temperatures.
A Sikh humanitarian relief organisation helped thousands of motorists stranded in queues headed for Dover, delivering almost 6,000 bottles of water and snacks overnight.
Khalsa Aid volunteers distributed the refreshments as drivers faced delays of 11 hours on the approach to the port, with many forced to spend the night in their cars.
New security checks for travellers heading to France cause tailbacks of up to 20 hours for some.
As police warn disruption at Dover is set to continue, volunteers who came to the aid of stranded motorists offer further assistance.
Holidaymakers heading to the continent face ten hour delays as France has stepped up its security checks in the wake of the terror threat.