Ozzy Osbourne's cause of death revealed: Heavy metal pioneer died of a heart attack

Ozzy Osbourne performs during the closing ceremony for the Commonwealth Games at the Alexander Stadium in Birmingham, England, on Aug 8, 2022. Photo: TNS

The cause of death for Black Sabbath frontman and heavy metal icon Ozzy Osbourne, has come to light weeks after he died in London at age 76.

Osbourne died of a heart attack, according to a death certificate reviewed by the New York Times.