JERMAINE Jackson has said that the death of his younger brother had left the family devastated.
Speaking at a press conference press at the UCLA Hospital, Jermaine said his younger brother died after suffering a suspected heart attack at his Los Angeles home.
He was taken to the UCLA medical centre where he was pronounced dead at 2.26pm Pacific time (10.26pm BST).
Jermaine said: "My brother, the legendary King of Pop, passed away on Thursday June 25 at 2.26pm.
"We believe he suffered a cardiac arrest at his home, however the cause of his death is unknown until the results of the autopsy are known.
"The personal physician who was with him at the time attempted to resuscitated him."
He said a team of doctors at UCLA Medical Center also tried for more than an hour to revive the star.