Detectives are appealing for information and releasing the e-fit of a suspect, after a woman was sexually assaulted.

On Wednesday, 14 March at approximately 05:40 to 05:50 hrs, a woman in her mid 20s was walking through an alleyway, which runs between Barnes Bridge, W4 and Chiswick Station.

A man on a pedal cycle spoke to her as he passed and then returned.

He approached the victim and sexually molested her.

The victim pushed the suspect away and ran off.

However the suspect pursued and caught her, carrying out another sexual assault.

The suspect is described as a black man, approximately 6ft and aged between 25 and 35.

At the time of committing the offence the male is believed to have been wearing a dark beanie hat and a dark, thick sports jacket.

Police would like to speak to the male in connection with this incident and are appealing to the public to help identify him.

Officers from the Child Abuse and Sexual Offences Command investigate.

Any witnesses or anyone with any information is asked to call police on 101 or contact via Twitter @MetCC. Quote CAD 1047/14Mar.

To give information anonymously contact Crimestoppers on 0800 555 111 or online at crimestoppers-uk.org.