Detectives are continuing to question two people about the murder of a 53-year-old man in east Belfast.
Mark Ponisi was discovered with head and face injuries in the living room of a property on London Road around 10am on Saturday.
Police said he was pronounced dead a short time later.
A 25-year-old man and a 26-year-old woman were arrested at the scene.
DCI Peter Montgomery said his officers were keen to speak to the driver of a taxi believed to have picked up three males and one female in Belfast city centre around 2am on Saturday before dropping the fare at London Road.