Detectives are appealing for information and witnesses following the death of a man in Leytonstone.
Police were called at 0753hrs on Saturday, 7 July, to a critically injured man found in a car park off Leytonstone High Road, E11.
Officers attended along with London Ambulance Service. The man – aged in his 50s - was pronounced dead at the scene.
He has been identified as Janek Brakonecki, 57, a Polish national who lived in London.
A post-mortem examination held on Sunday, 8 July, was inconclusive. Officers await the outcome of further tests.
Detectives from the Homicide and Major Crime Command are investigating.
DCI Gary Holmes said: “We are making urgent enquiries to establish the circumstance that led to Mr Brakonecki’s death. At this time, we must keep an open mind as to the cause of death, and I am appealing for any witnesses or anyone with information to come forward and speak with police.”
Anyone with information is asked to contact the incident room on 020 8345 1570. To remain anonymous call Crimestoppers on 0800 555 111.
A man, aged in his 60s, was arrested on Saturday 7 July on suspicion of murder. He has been bailed to a date in August pending further enquiries.