Police have launched an investigation after a man, 18, was fatally stabbed in a London Park in Barnet.
A crime scene remains in place as police continue to investigate.
The incident happened on a tennis court in Montrose Park, Edgware, at around 6pm, yesterday 31 May.
Police and London Ambulance services arrived at the scene and found a teenager with a stab wound.
Despite an effort to save his life, the man died at 19:19hrs, the police said on Monday.
Officers have arrested seven male suspects in connection to the affray and attempted murder.
The police said they are working “to inform his next of kin” and “a former identification and post-mortem examination will follow in due course.”
Anyone with useful information, video or images is asked to call the police on 101 quoting REF cad 5436/31 May.