Police have appealed for the public’s help in finding a suspected knifeman after a fatal stabbing on Boxing Day – but warned people not to approach him.

Jurejs Vankovs, 38, is wanted over the death of Michael Murphy, 49, who was attacked and killed in Hackney, east London, in the early hours of Tuesday.

A row between a group of up to 10 people happened in the run up to the stabbing, according to the Metropolitan Police.

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Detective Chief Inspector Kelly Allen, leading the investigation, said: “We have been working tirelessly to locate Jurejs Vankovs but have yet to find him.

“We are now asking for the public’s help to locate him.

“I would ask people in the Shoreditch and wider Hackney area to keep a lookout for him.

“If you see Vankovs, please do not approach him but call 999 immediately.”

Four people – two men, 49 and 42, and two women, 35 and 44 – have been released without charge after being arrested on suspicion of murder.