The smoking gallery, located in the airport's departure area, is closed following "persistent vandalism".

Long queues on Saturday morning caused passengers to miss their flights.

Ryanair says it is because of a cap on the number of flights which can be operated from Dublin Airport.

The offenders were detected across Belfast's docks and two airports as part of a Home Office operation.

Two NI women say hoards of passengers have been left without clothes and medication.

Some services such as booking patients into operating theatres and updating records are affected.

A 73-year-old author who uses a wheelchair says she was left behind as her flight to Scotland took off.

Supporters say it was a "headache" getting back from Belfast at the weekend.