A third person has been arrested on suspicion of murder following a fatal stabbing in Walthamstow.
Police detained a man on Sunday, in connection with the death of a 41-year-old man in Vallentin Road earlier this month.
The 35-year-old suspect has since been released under investigation.
Police were called to the street at around 10pm on March 19, where they found a man suffering from stab injuries.
Emergency services were unable to save the victim, who died at the scene around an hour later.
A 17-year-old boy from Walthamstow, who cannot be named for legal reasons, has already been charged with murder over the incident.
A 36-year-old woman was also arrested on suspicion of murder hours after the incident and taken to an east London police station for questioning.
She has since been released on bail to report at a date in April.
Police enquiries continue.
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