A teenager was subjected to a sex attack in a village alley.

The 13-year-old girl was assaulted in an alleyway in Wastie's Lane, Eynsham, at 6.30pm on Tuesday.

Police said the victim was walking through the alleyway when she saw a man talking on his mobile phone.

"As she approached, he put his phone away and assaulted her. She managed to break free and ran home," said Tim Wiseman, police spokesman.

The man was white, in his late forties, about 5ft 7ins, with short dark hair and stubble on his face. He was wearing a white, Puffa-style jacket.

Anyone with information should contact Pc Dawn Cullip at Witney Police Station on 08458 505505 or leave an anonymous message with Crimestoppers on 0800 555111.