Computer glitch causes delays at UK ports and airports
30 April 2014 Last updated at 23:59 BST
Passengers are experiencing disruption at a number of UK airports after an IT glitch affecting arrival halls.
Heathrow, Gatwick, Stansted and Birmingham are among the airports which have seen lengthy queues forming after a fault on UK Border Force computers.
The delays are said to be having a particular impact on non-EU passengers.
Sara Falkland explains.