Detectives from the Homicide and Major Crime Command are investigating following the death of a man in Hackney.
Police were called at about 08:16hrs on Sunday, 18 March, to reports of a person found with stab wounds, on Towpath, Walk, E9.
Officers and London Ambulance Service attended the scene.
A man, aged 37, was found with multiple injuries and was pronounced dead at the scene at 08:45hrs.
Police are in the process of informing his next of kin.
A 30-year-old man [A] was arrested on suspicion of murder and taken to a north London police station; he has since been released under investigation.
A crime scene remains in place.
Any witnesses or anyone with any information is asked to call detectives on 020 8345 3715. or contact via Twitter @MetCC. Quote CAD 2020/18MAR
To give information anonymously contact Crimestoppers on 0800 555 111 or online at crimestoppers-uk.org.