A TEENAGE girl has been the victim of a serious sexual assault in Ashford.The 15-year-old was attacked in an alleyway off Cypress Avenue in Godinton Park at 6.30pm on February 29.Police say the attacker was between 20 and 40-years-old, white, 5ft 9 or 6ft and of medium build.He wore straight black trousers or jeans, a black hoodie and dark woolly hat. He had a local accent.Kent Police is appealing for anyone who was in the area, saw something suspicious or has information to call 101 quoting reference CAD 01/1024