Police were called at 5.51am on Sunday, 7 April to Northumberland Park N17, after a man was found unresponsive.
Officers responded with London Ambulance Service paramedics.
On arrival, they found the man had suffered several stab injuries. CPR was administered but despite the best efforts of emergency services, the man was pronounced dead at the scene.
Police believe they know who the man is and are working to inform his next of kin.
At this very early stage, there have been no arrests.
Chief Inspector Stephen Johnston-Keay, who polices in Haringey, said: “Our thoughts are with the man who has tragically lost his life.
I can assure local people that specialist detectives are investigating and will leave no stone unturned in working to establish what happened to him, and to identify and arrest those responsible.
I would like to thank local people for their patience and understanding while we go about this crucial work.”
“If you have information that could help us, no matter how insignificant it may seem, please tell us. You will see officers on the cordons and on patrol and they will be ready to listen to you.”
To share helpful information or material with police, please call 101 ref CAD 1387/7 Apr.
To remain 100% anonymous contact the independent charity Crimestoppers on 0800 555 111.
