Edinburgh Airport has been hit by an IT outage affecting airlines, media, and banks around the world.

Passengers have been told not to travel to the airport while teams are managing waiting times “as best they can”.

Departure boards in the main terminal building appeared to freeze before 07:00, showing out-of-date information about gate numbers and take off times.

A fire alarm in the main terminal building also sounded, which is understood to be be coneccted to the ongoing issues.

Multiple airports in the UK and across the world have reported delays, with some flights suspended.

Ryanair said it was also experiencing problems and advised passengers to arrive at airports at three hours before their scheduled departure time.

Railway companies and NHS services are also reporting problems.

The cause of the outage is not known, but computer giant Microsoft said its was taking mitigation action to deal with “the lingering impact” of an outage.

Edinburgh Airport said work was ongoing to return airport operations to normal as soon as possible.

In a statement, it said: “Passengers should not travel to the airport without first checking the status of their flight with their airline.

“The wait at security is currently around one hour due to the outage and our teams are managing this.”