Severe delays hit Port of Dover due to tougher border security checks following Nice attacks

VOICED: Shows night shots police car driving alongside long queue of traffic on motorways leading to Port of Dover with cars stopped and shot of child sleeping in back of car. Voxpops with people stuck in queue. Night shots traffic slowly moving through security checks at entrance to Port of Dover. Aerial daytime shots of traffic jam from previous day. Night shots of people unpacking waterbottles from van and interview with aid worker Ravi Singh. Families heading to France have been forced to spend the night in their cars outside Dover after delays in French border checks caused what the Government called "extraordinary disruption." UK Border Force officers have been called in to help understaffed French authorities cope, but there are warnings that the chaos could last until tomorrow.Some motoriests say their food and water supplies are running low.(THIS CLIP CONTAINS BLACK HOLES - THIRD PARTY CONTENT) on July 24, 2016 in Dover, England.