Police have released CCTV footage of a man they would like to speak to about a sexual assault that took place a year ago.

The attack on the 21-year-old woman took place on Thursday, November 21, 2013.

Police have released the footage of the man as we walks through Harrow Bus Station and are calling for help in identifying the man in the video.

At 2am on the night of the attack, the victim got of the N18 bus at Harrow bus station and was approached from behind and sexually assaulted while walking along St Kildas Road, Harrow.

After the attack the man ran off with the woman’s mobile phone.

The man is described as black, aged between 30 and 35, 5ft 10ins tall and with an English accent. He was seen wearing black beanie hat, a black woollen jacket and blue jeans.