A 12-year-old girl was sexually attacked by a man in an alleyway in Wallingford.

The girl was walking along the alley between Charter Way and Croft Road at about 5.30pm on Monday.

A man pushing a bicycle started a conversation with her before sexually assaulting her.

He is described as white, aged about 35, 5ft 9ins tall and of average build with short, thick, messy ginger hair, a goatee beard and pale, blotchy skin He was wearing a black jumper, blue jeans and sunglasses.

The bike is believed to be a black and silver road bike with straight handlebars, but not a mountain bike.

Det Con Rachel Carter said: “This is a disturbing incident, which has left the girl shocked.

“I would urge anyone who may have seen this man, or who has any information, to contact me.”

Anyone with information should call police on 08458 505505 or Crimestoppers on 0800 555111.