POLICE are asking for witnesses to a sexual assault to come forward.

Gwent Police have released this image, captured in Welsh Street, Chepstow, of a man they want to talk to about the incident.

The incident took place at around 2.15am on the morning of Sunday, November 8.

The attacker ran away after being disturbed by two people.

A spokeswoman for Gwent Police said: “If anyone was in the area at that time, they may have valuable information.”

The man police want to trace is described as being taller than 6ft and was black.

He was wearing a burgandy gilet, white t-shirt, jeans and white trainers or shoes.

Anyone with information is asked to call Gwent Police on 101 quoting log number 383 of November 8.