Garissa Senator Yusuf Haji is dead, his family has confirmed.
Haji, who most recently chaired the Building Bridges Initiative (BBI) Taskforce has been sick for a while.
He was flown to Turkey for treatment late last year but returned to the country recently.
He passed on at the Aga Khan Hospital on Monday morning.
Haji is the father to the Director of Public Prosecutions Noordin Haji.
In his hey days, he was the provisional commissioner for Coast and Rift Valley before assuming the minister of defence under retired president Mwai Kibaki.
He has passed on aged 80.