Police are hunting got what is thought to be an 11 year old after a woman was sexually assaulted at a railway station.
Detectives are investigating after the incident at Stockport station at around 3.45pm on Friday 24 June.
Following the sexual assault the boy is believed to have laughed as he left the station he returned and began spitting at station staff.
PC Rebecca Swift said: “The victim was waiting with her boyfriend in the booking hall of the station when she was inappropriately touched by a young boy who then left the station laughing.
“He returned a short while later and began messing around by the ticket barriers at the Edgeley side of the station.
“Station staff asked him to leave and he responded by spitting at them.
“A saliva sample was collected following the incident, and officers are now working to try to identify the boy.”
Police have described the boy as white, about 11, with short dark hair, and was wearing a black bubble jacket with a hood, black trousers and black trainers.
Anyone with information should contact British Transport Police on 0800 40 50 40.