Detectives from the Met's Trident and Area Crime Command are appealing for witnesses following a non-fatal shooting in South Norwood.
On Tuesday, 29 December, at about 02:00hrs, a 43-year-old man attended University Hospital Croydon (formerly known as the Mayday) with multiple gunshot wounds.
He remains in a south London hospital in a serious but stable condition.
Officers believe the man was shot in Belgrave Road, South Norwood shortly before arriving at hospital.
Detectives investigating are keen to speak to anyone who attended a party on South Norwood High Street late on Monday, 28 December as they may hold vital information that could assist police with their investigation.
Anyone with information about the incident should contact police on 020 7109 8626 or Crimestoppers anonymously on 0800 555 111.