The man is described as:
Between 25 and 29-years-old
6 feet tall
Blond, spiky hair that flopped over to the right
Wearing a thin grey or blue t-shirt and blue jeans
Police have some information and are following up all lines of enquiry in relation to this assault but they say it is in the early stages of the investigation.
Please call 101 quoting 44160322040.
Alternatively, call Crimestoppers on 0800 555 111