The move is in conjunction with the country's state of emergency in Borno, Yobe and Adamawa states, and it is intended to end insurgent activities.
CNN: 'Massive' numbers of Nigerian troops target insurgents
2.
They were from the ruling People's Democratic Party, winning polls in 2007 in Bayelsa, Cross River, Kogi, Adamawa and Sokoto and vote re-runs in 2008.
BBC: Nigeria's Supreme Court dismisses five governors
3.
Last week, President Goodluck Jonathan declared a state of emergency in three north-eastern states - Borno, Adamawa, and Yobe - after a series of deadly attacks by militant groups.