Detectives have released footage of a man sought in connection with a series of rapes and robberies in north-east London.
Police said in the first incident on July 1, a woman was walking home in Newham when she was approached from behind by a man who raped and robbed her.
In the second incident on July 6 a woman was robbed near Leyton Underground station. The same day a woman was raped and robbed in Waltham Forest.
In the fourth incident on July 11, a woman in East Ham was followed by a man who threatened her and attempted to rape her - she was also robbed.
Police have also released this image of the suspect
The victims are being supported by specially trained officers and police said they are conducting extra patrols where the attacks took place.
Detective Superintendent Andrew Packer said the footage is an opportunity for those in the area to get a “detailed look” at the suspect.
“I am convinced that there will be a member of the public who takes a good close look at this footage and thinks wait a minute that looks a lot like...” he said.
“All I need is a name. If you think you know who this man is, please don't delay.”
Anyone who can identify the man is urged to call 07881 330951.