Detectives in Haringey are appealing for information and witnesses after a man suffered a critical injury in a seemingly unprovoked attack.
Police were called by London Ambulance Service (LAS) at 03:09hrs on Saturday, 1 June to reports of a stabbing at Seven Sisters Road, near the junction with Vartry Road.
Officers and LAS attended. At the scene, a 33-year-old man had suffered a stab wound to the leg.
The injured man was treated at the scene by medics before being taken to a north London hospital where his condition remains critical.
Detectives from North Area Command investigate. There have been no arrests.
Police ask that anyone who has information that could assist police is asked to call 101 ref CAD 1360/1JUN, Tweet @MetCC or call Crimestoppers anonymously on 0800 555 111.
If there are any young people who either have information about violence or knife crime, they can visit fearless.org where they can pass on information anonymously. Fearless is part of the Crimestoppers charity, and is also independent of the police.
If you need help or information to support someone you suspect is involved in knife crime, or you want assistance yourself, then you can visit www.knifefree.co.uk or LondonNeedsYouAlive.