Officers have released an image of a man they would like to speak to following a sexual assault onboard a bus in Brixton.
The assault happened at around 16:40hrs on Wednesday, 7 March on a Route 118 bus from Brixton Underground Station travelling south towards Morden.
The victim - a 25-year-old woman - told officers that as she stood on the bus in the baggage area the suspect sexually assaulted her with his left hand.
The victim shouted at him to stop touching her and was able to take a picture on her phone before he got off the bus.
The suspect is described as slim black man, aged in his mid-40s with black hair. He was wearing a dark grey woollen coat
PC Jonathan Weller, of the Road and Transport Policing Command, said: "This man is sought in connection with a sexual assault incident onboard a bus.The Met will not tolerate any form of sexual assault and we strongly urge anyone who has been a victim of in this sort of situation to call police and report it.
"If you know who this man is, or may be able to assist us in our investigation, please call 101 and quote CAD 6996/07Mar18."