Police are appealing for information after a 23-year-old woman was sexually assaulted.
The victim was on her way home on New Year's Eve when she was assaulted at North Cornelly, in Bridgend county.
Police want to trace two male suspects, both thought to be in their 20s - one with blond curly hair, the other with brown hair and wearing a brown hat.
Anyone with information is asked to contact Bridgend CID on 01656 679518 or Crimestoppers on 0800 555111.
The first suspect is described as a white male in his early 20s, with brown hair.
He was wearing black denim jeans, a blue hooded top and a brown "beanie" hat.
The second suspect is also a white male, thought to be in his 20s with blond, curly hair.
He is described as of thin build and was wearing a red jumper and black jogging bottoms.
Police said the incident happened near Greenfield Terrace.
Det Ch Insp Marc Lamerton said: "I would like to reassure the public that incidents like this are extremely rare and South Wales Police are appealing to anyone with information, however insignificant they may consider it to be, to contact detectives at Bridgend CID.
"We are particularly keen to speak to anyone who may have been in the vicinity of Greenfield Terrace, North Cornelly between 5.45pm and 7pm on Friday, 31st December 2010 to get in touch."