25 August 2012 Last updated at 10:37 ET

Tourist sexually assaulted by bag snatcher in Sheffield

A Japanese tourist, 18, was subjected to a serious sexual assault after her attacker snatched her handbag.

The victim was assaulted in a wooded area after chasing him from Hammond Street in Netherthorpe, Sheffield, where he had taken her handbag.

South Yorkshire Police said the man, described as black and aged in his 20s, carried out the attack at about 19:30 BST on Friday.

The victim was left "extremely traumatised", said a police spokesman.

Her attacker was of medium build, about 6ft (1.8m) tall, and with short, dark hair.

He was wearing a royal blue hooded jacket and dark trousers or jeans.

Anyone with information about the assault is being asked to contact police.