Police probing the death of a middle-aged Polish man in east London are appealing for witnesses and information.
Janek Brakonecki, 57, who lived in London was found dead on July 7 in a car park off Leytonstone High Road, Leytonstone just before 8am.
A post-mortem examination performed the next day was inconclusive.
A man in his sixties was arrested on suspicion of murder and released on bail, pending further enquiries.
Officers are awaiting the outcome of further tests and detectives from the Homicide and Major Crime Command are investigating.
Detective Chief Inspector 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.