Detectives have released CCTV images of a man they want to speak to in connection with a theft in Bradford.

A 19-year-old man had his mobile phone stolen in Bridge Street at about 1.45am on Tuesday, October 1.

Officers also want the member of the public who helped the victim and chased the offender to come forward.

Anyone who recognises the man in the picture, or has any information on the theft, is asked to ring Bradford CID on 101.