Dozens of trucks have taken part in an exercise in southeast England testing plans to deal with long queues at the port of Dover - if the United Kingdom crashes out of the European Union with no deal.

The government says it needs to prepare for all eventualities - with some experts predicting 45-kilometre queues once new customs checks come in.

More videos

Sky News 24 Mar 2019 17:16 CET

DIG 0600SU STRIPPERS Q.mp4