Police want to speak to anyone who saw a man throwing cones into the road in front of Cineworld on the Waterfront.
It's claimed he then tried to pull another man out of a car.
The car left the area.
It happened between 9.15pm and 9.30pm on Thursday.
A 34 year old was arrested at the scene and officers say enquiries are ongoing.
Anyone with any information is asked to contact police on 612612 or anonymously via Crimestoppers on 0800 555 111.
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