The cause of death of George Michael is still unclear as a post-mortem examination was “inconclusive”, British police have said.
George Michael died at the age of 53 on Christmas Day at his home in London.
More tests will now be carried out to determine what led to the superstar’s death, Thames Valley Police said in a statement. The results of these tests are unlikely to be known for several weeks.
George Michael’s death is still being treated as unexplained but not suspicious.
The post-mortem examination took place on December 29.
The ambulance was called to George Michael’s property at 13:42 GMT on Christmas Day and the singer was confirmed dead at the scene. Thames Valley Police also attended.
George Michael’s partner Fadi Fawaz said he had found the singer lying “peacefully in bed”.
Fadi Fawaz told The Daily Telegraph: “I went round there to wake him up and he was just gone. We don’t know what happened yet.”
George Michael’s manager, Michael Lippman, said the singer had died of heart failure.
Fans have been lighting candles and leaving handwritten cards outside his home in Highgate, north London.
George Michael, who was born Georgios Kyriacos Panayiotou in north London, sold more than 100 million albums throughout a career spanning almost four decades.