Updates to the situation can be found here and here.

The police have confirmed the death of a teenager following a stabbing at Craneford Way playing fields, Twickenham.

The playing fields are close to Richmond College and overlooked by a number of houses.

The area was sealed off this afternoon after police and ambulances were called to the scene.

A police spokesman said: 'Police were called at 16:45hrs on Tuesday, 12 October to reports of a stabbing in Craneford Way, Twickenham.

'Officers and London Ambulance Service (LAS) attended.

'At the scene a male, believed to be in his late teens, had sustained knife wounds.

'He was taken by LAS to an outer London hospital where he was pronounced dead at 17:54hrs.

'Enquiries are underway to notify his next of kin.

'A crime scene and cordons remain in place and at this early stage there have been no arrests.

'Anyone who witnessed this incident or has footage is asked to call police on 101 or Tweet @MetCC quoting 5697/12OCT.'

Information can also be provided to Crimestoppers, anonymously, by calling 0800 555 111 or visiting here.