A press conference will be called before 12 today on the initial findings of the post mortem on Michael Jackson the King of Pop, who died from a heart attack yesterday morning Fiji time.

This will be delivered from the coroner's office.

The singer's brother Jermaine Jackson said doctors had tried to yesterday to resuscitate the star for more than an hour without success.

The singer was not breathing when paramedics arrived at his Bel Air Home.

The paramedics performed CPR on Jackson as the ambulance took him to the UCLA medical centre.

Jackson began his career as a child in family group The Jackson 5.

He then went on to achieve global fame as a solo artist with smash hits such as Thriller and Bad.

Michael Jackson unleashed his pop masterpiece, Thriller in 1982 which rewrote the rule book on how pop is marketed, not least because of its ground breaking video clips.

The Thriller album is frequently named the biggest selling album of all time, 65 million copies according to the Guinness Book of World Records.

He caused jaws to drop around the world when he debuted the Moonwalk at a Motown television special in 1983.

Michael Jackson defined pop and was also the author of the ever popular We Are the World.