Passengers at Stansted Airport tweeted about the confusion following a power outage.
In stansted airport and there's been a powercut, not seen so many worried and confused people for a while! #whatdowedonow
Had my stuff in the tray at Stansted, then total power cut. Turfed back out again. Could be a long day. I take it ATC has a UPS!
Powercut at stansted, no one in or out!
More top news
Monday will be a breezy day for many, especially in the south.
Three-quarters of Britons polled said they would support more sex and relationship education in schools.
The full list of winners of the 89th Academy Awards in Hollywood.