A fault on UK Border Force computers, including automatic passport check-in desks, caused systems to crash late this evening, causing widespread chaos for passengers at airports such as Heathrow, Gatwick, Stansted and Birmingham.
Extra staff were drafted in to try and reduce the queues.
Passengers tweeted their frustration through the evening:
A Government spokesman said: "We apologise for any additional time this adds to passengers' journeys."
More top news
Father Jacques Hamel has been described as man who dedicated his life to his parishioners and still regularly led mass, even at 86.
Rain will spread southeastwards through N. Ireland, Wales and England overnight.
The woman used her daughter's own Facebook page to live-stream the attack after the teenager posted provocative pictures online.