Police are appealing for information after a woman was raped in Harrow on Wednesday afternoon.
A 30-year-old woman was walking through a footpath between Roxborough Park and Landsdowne Road at about 12:30pm, when she was approached by a man who threatened her with a bottle before assaulting her.
The suspect is described as black, aged between 27 and 32 years, around 5ft 9in and 5ft 10ins tall.
He was wearing a dark blue jacket and carrying a bag on his back.
Police need to speak to anyone who saw or spoke to a male in that location between 11am and 1pm on that date.
Detectives from the Sexual Offences Exploitation and Child Abuse Command are investigating.
Anyone with information is requested to contact 020 7161 2834, the police non-emergency line on 101 quoting ref 2010260/14. Alternatively anyone can contact Crimestoppers on 0800 555 111.