Death takes the total number of people killed in the capital to 50.
A man in his twenties has died after being stabbed in Hackney , east London ,the Metropolitan Police said.
In the same borough just hours earlier a man in his 50s died outside a bookmakers in Upper Clapton Road following a suspected fight, the Met said -writes independent.co.uk
The two deaths takethe total number of people killed in the capital so farthis year to 50.
Scotland Yard said officers were approached by aman in his twentiessuffering from stab injuries shortly before 8pmon Wednesdayon Link Street in Hackney.
The Met said in a statement: "Officers immediately provided the man with first aid.
"The London Ambulance Service and London's Air Ambulance attended.
"The man, who is believed to be aged in his early 20s, was pronounced dead at the scene at 20.24."
The statement continued: "Next of kin are yet to be informed.
"A post-mortem examination will be held in due course.The Homicide and Major Crime Command has been notified.
"A crime scene remains in place.There have been no arrests."
Earlier this week a16-year-old boy became the youngest murder victim in London so far this year after he was fatally shot.
The teenager, who was shot in the face in Walthamstow , east London, at around 10pm on Monday night, died in hospital with his family by his bedside on Tuesday evening.
His death came after that of Tanesha Melbourne , 17, who was gunned down around 30 minutes earlier just three miles away in Tottenham . They were both apparently tragic casualties of gang violence.
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