Police have released images of a man they want to speak to in relation to the robbery of two teenagers.

A 16-year-old male and 17-year-old female were on a First Bus double decker bus at Duke Street at its junction with High Street around 3.20pm when they were threatened by a man.

Items were stolen from the pair before making off.

Officers are releasing images of the man they believe may be able to assist them as part of their ongoing enquiries.

He is described as white, in his mid to late 20s, with a gaunt appearance.

He is around 6ft tall and was wearing a green parka style jacket with a fur hood, dark jogging trousers and a light coloured beanie hat.

Anyone who recognises the description or has any information, is asked to at the Community Investigation Unit via 101, quoting incident number 2093 of November 17.

Crimestoppers can also be contacted anonymously on 0800 555 111.