Simon Lalong, the governor of Plateau state on Tuesday lost his younger brother, Wummen Bako, a family member said.
The source, who spoke on condition of anonymity, said that Bako, a lecturer at the Department of Management Sciences, University of Jos, died in Jos at the age of 45, after a protracted illness.
According to him, the deceased had received medications both within and abroad.
He said that Bako, a graduate of Ahmadu Bello University, Zaria, is survived by a wife and children.
It was gathered that Lalong has cancelled all official engagements due to the demise of his brother.
It was reported that people gathered in groups at the Government house, Jos discussing the death of the man.