This morning a large number of emergency vehicles descended upon Belfast International Airport.
Emergency vehicles surrounded an EasyJet flight this morning arriving in Belfast.
A statement from Easyjet said, "flight EZY481 from Belfast to Edinburgh this morning was delayed on departure due to additional security checks by the airport authorities.”
An airport spokesperson said "Belfast International Airport was notified of a security alert regarding a flight to Edinburgh this morning. As is standard procedure, the relevant authorities attended the airport as a precautionary measure. All passengers disembarked for additional security checks and have since reboarded and the flight has departed. Passenger safety is a priority and we thank all passengers for their understanding."