A teenager is in a critical condition in hospital following a knife attack in east London.
Emergency services and police were called to Grove Green Road in Leytonstone at about 1620 BST, where they found the injured 18-year-old man.
The teenager, who suffered a single stab wound, has been taken to an east London hospital with what has been described as a life-threatening injury.
Officers from Metropolitan Police are still at the scene.
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