The alleged animal cruelty incident took place around 16:20 on Sunday on the Castle Street side of Sand Street Car Park.
Police say the man was wearing a yellow winter coat. His dog is described as being “small” and “sandy coloured.”
Anyone in the area at the time is asked to contact the Police.
They should call 612612 or make an anonymous report with Crimestoppers on 0800 555111.
Lead photo: Google Maps
