A teenager has died after being found stabbed on a tennis court in north London.
Officers were called to Montrose Park in Edgware on Monday evening following reports of a group of men fighting inside the tennis court area, Met Police said.
When they arrived after the call at 5.54pm, they found an 18-year-old man with stab wounds.
He was treated by air ambulance paramedics at the scene but pronounced dead at 7.19pm, according to the force.
Police are working to formally identify him and inform his next of kin before a post-mortem examination takes place.
Seven men were arrested on suspicion of a string of offences including attempted murder and affray and are being held in police custody.
Any witnesses or anyone with information, video or images that could assist police are asked to call 101 ref CAD 5436/31 May.