Multiple sources on Twitter have reported that Melbourne Airport Tower has been evacuated after a fire alarm was triggered.

At this stage, all inbound flights have been suspended.

More as we get it.

ALERT Melbourne airport tower has been evacuated, all inbound flights are holding https://t.co/NZmIzB4t4f pic.twitter.com/upJ76Kks9S

— AIRLIVE (@airlivenet) January 13, 2019

JUST IN | A fire alarm has gone off in the Melbourne Airport Tower, which has subsequently been evacuated. All flights suspended.

More to come.

— 3AW Melbourne (@3AW693) January 13, 2019