Police, firefighters and emergency services were called to an incident on College Street in Aberdeen city centre last night.
Crews were spotted at around 9pm on Thursday night responding to an as yet unknown incident.
A fire spokesperson confirmed six appliances had been dispatched to the scene to assist in a police incident. They received the call just before 9pm.
Firefighters left the scene at 1am today.
The bridge connecting Guild Street and College Street was closed off to vehicles by police, who were patrolling the area.
College Street itself was cordoned off and ambulances were also on scene.
Police Scotland has been approached for comment.
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