NOW: Police have lifted the lockdown at Ashmore Tafe after a knifeman was seen crouching behind a car in a car park this morning
A sweep of the area has failed to find the suspect or a weapon.
EARLIER: Ashmore Tafe has gone into lockdown after a contractor spotted a man armed with a knife, crouching behind a car in the campus carpark on Thursday morning.
Dozens of officers swarmed on the property shortly after 10am.
Police said their search of the campus has failed to locate the suspect or a weapon.
The emergency unfolded at the same time as Commonwealth Games organisers at the adjoining Games hub were holding a press conference about the security measures in place for the 2018 event.