Detectives are investigating after a woman alleged she was raped by two strangers in an Ealing Park.
Police were called on Saturday evening to Dean Gardens, in the Broadway, near West Ealing station.
Scotland Yard said that officers are providing support to a woman, aged in her 20s, who reported being raped by two men - who she did not know.
A police spokesperson said: “Enquiries are ongoing and a crime scene remains in place.
“At this early stage of the investigation, there have been no arrests.”
Dean Gardens remained cordoned off throughout Sunday, as officers continued to investigate the rape allegation.
The Met is asking anyone with information to call police on 101 quoting CAD 6100/15Jan. To remain anonymous contact Crimestoppers on 0800 555 111.