Police were called in the early hours of Sunday morning to reports of a stabbing in Dalston’s Kingsland High Street.
One resident tweeted that he was woken at 5am by what he described as a “gang fight” outside his bedroom window.
The victim, a man thought to be in his 20s, is not believed to have suffered life-threatening injuries.
No one has been arrested in connection with the stabbing.Police have now erected a forensics tent on the High Street and nearby Ashwin Street has been cordoned off.
A Metropolitan Police spokesman said: “Police were called shortly before 5am on Sunday January 8, to a stabbing on Kingsland High Street.
“A man – believed to be aged in his 20s – was taken to hospital suffering stab injuries. These are not believed to be life-threatening.
“Detectives from Hackney CID are investigating.