Police have released images of a man they want to speak to in connection with a series of sexual assaults in Manchester city centre.
The man is described as Asian, in his late 20s-early 30s and clean shaven.
He was wearing a dark bubble coat and dark jeans.
The most recent assault happened sometime between 1.50am and 2.05am on Sunday 14 February 2016.
A 21-year-old woman was walking through Manchester city centre when she was approached by a man who asked for her phone number.
The woman refused, stating she had a boyfriend and continued walking before turning onto Minshull Street.
The man followed her onto the street and caught up to her before he sexually assaulted her.
Following the assault, the offender walked off in the direction of Canal Street and out of sight.
Police have now released CCTV images of a man they wish to speak to in connection with this incident.
Between 3.30am and 3.45am on Saturday 30 January 2016 a 19-year-old woman was walking on Oxford Road when she was approached by a man. He put his arm round her and sexually assaulted her, before following her onto Whitworth Street and attempting to assault her again.
The woman managed to push him away and escape.
At about 4am on Saturday 6 February 2016 a 22-year-old woman was walking on Kent Road West in Manchester when a man approached her from behind and sexually assaulted her.
The woman struggled and he sexually assaulted her again, but she managed to break free and the man fled.
Between 1.50am and 2.05am on Sunday 14 February 2016 a 21-year-old woman was walking on Minshull Street in Manchester when she was approached by a man.
He asked her for her phone number, and she declined but the man followed her down the street. He sexually assaulted her before fleeing in the direction of Canal Street.
Police believe the same man is responsible for all four incidents.
Detective Constable Steve Lowton of GMP’s City Centre Neighbourhood Policing Team said: “This woman found herself in a terrifying situation and was understandably left distraught by this assault.
“We have released these images in the hope that somebody may recognise this man and be able to assist with our investigation.
“If you recognise the man in the images then please contact police.”
Anybody with information should contact police on 0161 856 3221 or the independent charity Crimestoppers, anonymously, on 0800 555 111.