Mathew Goddard murder: Four released unconditionally
Four people who had been arrested by police investigating the murder of a man in east Belfast have been released unconditionally.
Mathew Goddard, who was 41, was found dead in his house in Chobham Street at about 21:40 GMT on Christmas Eve.
A 17-year-old boy, a 21-year-old man and a 24-year-old woman were released on Monday evening.
A 12-year-old boy who was released pending further inquiries on Sunday has now also been released unconditionally.
Mr Goddard was last seen alive at about 18:00 GMT on 23 December.
The exact cause of his death has not yet been disclosed but police said he was killed in a "sustained and brutal attack".
He had been beaten with his electric guitar and other objects
Det Ch Insp John McVea said Mr Goddard was not previously known to police.
However, he added: "We believe he may have been involved in drugs and this is one of a number of lines of enquiry police are investigating."