A woman was subjected to a serious sexual attack in Sheffield as she walked home during the early hours of today.
The attacker struck from behind on Hatfield House Lane, near the junction with Bellhouse Road, Shiregreen as the woman walked home from work at around 12.15am.
Police say the man subjected her to a serious sexual assault before fleeing on foot.
The woman described the attacker as white, aged between 18 and 22 and about 5ft 6ins tall. He spoke with what has been described as a local accent.
He was wearing a black hooded top and black bottoms.
After the assault, the man is believed to have walked from Bellhouse Road towards Ecclesfield.
A police cordon was put in place along Hatfield House Lane and the surrounding area while detailed house to house and forensic enquiries took place.
Anyone with information about the incident should contact South Yorkshire Police on 101 quoting incident number 39 of 9 August 2013.