Officers were also called to Patriotic Street car park on Friday evening after a man either jumped or fell from the third floor.
He was found, conscious, on the pavement, complaining of back pains.
A total of 253 incidents were reported to police and 56 people were arrested between 5 pm on Friday and 8 am on Monday.
A man was beaten to the ground and kicked in the head and ribs after leaving Platinum nightclub on Friday night.
He has two cracked ribs and head injuries, and lost £200 and a black Nokia mobile phone.
The attack happened some time between 10 pm and 3 am, and police are trying to retrace his movements as it is unclear where he was attacked.
