POLICE in Southampton are appealing for witnesses to an assault in which a 17-year-old boy was knocked unconscious.

The incident happened at the junction of St Mary's Road and Evans Road on May 9 - but details have only just been released.

A police spokesman said: "A 17-year-old boy was standing next to his bicycle, waiting to cross the road, when a man approached him and punched him in the face, rendering him unconscious.

"The victim sustained minor facial injuries and was taken to hospital for treatment.

The man is described as being either black or Asian and of muscular build. He was walking a Neapolitan Mastiff dog on a lead and was with a woman pushing a pushchair. They were walking up Chapel Road in the direction of the city centre.

"We know the incident happened some time ago.

"But if you recall seeing the incident or recognise the description of the man with the distinctive breed of dog, then please get in touch. Perhaps you were driving in the area at the time and have dash-cam footage?"

Anyone with information can contact Hampshire police on 101, quoting crime reference number 44210178084.

Alternatively they can contact the Crimestoppers charity on 0800 555 111, where messages can be left anonymously.