He was the president of Guinea Bissau till March 2009. He died in a bomb blast attack that was said to have been a retaliatory attack by soldiers.
Umaru Musa Yar’Adua, 58
He was the president of Nigeria who died in office in May 2010. His death was reported to have been as a result of a long battle with kidney and heart problems.
Malam Bacai Sanha, 64
John Atta Mills, 68
He was the president of Ghana till July 2012, when he died. The cause of his death was said to have been throat cancer.