A Government spokesman said:
We are currently experiencing temporary IT problems which may add to the time taken to conduct passport checks.We are working to rectify this issue and are providing extra staff to get passengers through the controls as quickly as possible. Our priority remains security of the border.We apologise for any additional time this adds to passengers' journeys.
More top news
Police are appealing for witnesses after a crash involving a car and three pedestrians in Islington.
Five rugby league legends were immortalised in bronze today outside Wembley Stadium.
Four people have been bailed after a three-year-old girl was shot in the stomach with an air riffle while she played in a park.