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.

'Momentous' week in Jersey's States
Plans to charge wealthiest patients for medical travel
Railway Walk reopens 'several weeks' ahead of schedule
New bar opening at former Rojo and X site to evolve Jersey's nightlife
Former Chief Minister seeks re-election
Château Vermont to become home to new music campus
St Saviour break and entry suspect pictured posing on motorbike
'Overstretched' neurology department following under-experienced managers