Doguwa was picked up at the Mallam Aminu Kano International Airport as he was about to board a flight to Abuja on 28 February...
One of West Africa's biggest commercial centres Kano is a bellwether for the north but also has a radical tradition of trade unionists and politicians such as Aminu Kano...
The city has a long tradition of radical politics carried forward by such figures as Aminu Kano and some of northern Nigeria's pioneer trades union leaders...
His friendship with the late Samuel Goomsu Ikoku in prison for attempting to overthrow the northern-dominated government was key to the formation of a broad- based national government that included rebels such as Obafemi Awolowo Aminu Kano and Joseph Tarka during the civil war (1967-70)...
Northerner stake Yusufu's radical credentials seriously: in the 1950s he was active in Aminu Kano's Northern Elements Progressive Union and joined his People's Redemption Party in 1979...