Cleveland Police say they're now treating the death of a man in Middlesbrough last week as murder.
John Coates, 61, was found dead by his brother at his home in Fleet House, Cargo Fleet Lane, last Thursday. He'd died from head injuries.
A special post-mortem was carried out yesterday and police have today formally announced the death as suspicious.
John Coates was single with no children. He had four brothers one sister who are being supported by police family liaison officers.
Police want anyone who knew him and knew him movements in the days leading up to death to contact them.