A teenager was attacked and robbed for his coat in Liverpool city centre on Boxing day.
The 15-year-old was with another teenage friend when he was approached by a gang of five men in Williamson Square.
The victim was then attacked as the gang demanded he handed over his coat, at around 3.50pm on Sunday, December 26.
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He handed over his coat but was then chased to St John's Precinct where he was again attacked by the suspects.
The teenager has been left 'very distressed' following the incident.
Detectives have now issued a CCTV image of a man they'd like to speak to about the attack.
They believe the person photographed could assist with their enquiries following the robbery.
Inspector Ben Dyer said: "This was a cowardly attack on a young boy who was left very distressed from the incident.
"I am appealing to the person featured in this image, or anyone who recognises him to come forward. We believe he could hold information that could be vital to our continuing enquiries.
"This incident took place in Williamson Square just before 4pm on Boxing, so if you were in the vicinity at the time of the incident and saw anything, then please let us know.”
Anyone with any information on this incident is asked to contact @MerPolCC on Twitter, ‘Merseyside Police Contact Centre’ on Facebook or ring 101 with reference 21000890263.
You can also contact Crimestoppers, anonymously on 0800 555 111 or via their online form at: https://crimestoppers-uk.org/give-information/forms/give-information-anonymously