Police investigating the murder of man in Southall have formally identified the victim as 23-year-old Surjeet Singh. Next of kin have been informed.
Mr Singh was stabbed in the neck during the large fight at a fairground in Southall Park on Monday.
London Ambulance Service and London's Air Ambulance were called to the scene and treated Surjeet, however he was pronounced dead at the scene.
Seven men have been bailed to return on a date in late August.