Nigerian army troops surrounded the suspected hideout, Tuesday, of a radical Muslim leader believed to be the mastermind behind three days of violence in the nation.
Police also achieved peace in the bloodied Nigerian streets by imposing curfews and sending out security forces to guard against militant attacks.
Violence struck the country's northern states of Yobe and Bauchi Sunday when authorities arrested several leaders of an organization trying to impose Islamic Sharia law across Nigeria. Militant fighters have burned down churches, police stations and several government buildings.
More than 400 people have died in clashes between Islamic militants and security forces in Nigeria since the violence erupted.
The worst violence occurred Monday after sporadic gunfire was reported between militants and police in Maiduguri. Some 3,000 people have been misplaced from their comes in the city.
Nigeria's president Umar Yar'Adua called for calm Monday and ordered security forces "to take all necessary action to contain and repel the sad and shocking attacks by extremists on police posts and public buildings."
Sharia law was implemented after Nigeria returned to civilian rule in 1999. More than 10,000 Nigerians have died in sectarian violence since then.