Singapore - On Jan. 23, between 12.10 am and 1.40 am, 50 departure flights were delayed by 30 minutes or more and nine arriving flights were diverted due to the fire alarm at the Singapore Changi Airport's control tower.
Airport officials did not provide any detail on the issue, but there was obviously no fire. Air Traffic staff returned to their positions after fire teams confirmed that the tower was safe.
Officials are working to find out what triggered the alert.
During the incident, some of the inbound traffic was diverted to Hang Nadim International Airport in Batam and others to Kuala Lumpur International Airport in Malaysia.