The offender is described as a white male about 5ft 7in tall, of average build and dark brown hair in a fade hairstyle, and was wearing all black clothing.
Anyone with information should call police on 0161 856 9325.
Information can also be reported online or by using the LiveChat function at: www.gmp.police.uk
If you can't report online, call 101 or Crimestoppers anonymously on 0800 555 111.
