He died on November 10, 2007 after a heart attack.
He died after a heart attack at the age of 52.
On January 23, 1999 he died after a heart attack.
He died on 12 May 2009 after a heart attack.
Official news reports said he died on the way to the hospital after a heart attack.
He died on 3 September 1969, after a heart attack.
He died after a heart attack, the British press reported.
But in May 2004, he died suddenly after a heart attack.
A few months later, Bill died in his sleep after a heart attack.
He died on 12 September 2012 after a heart attack.