A joint military task force in Nigeria arrested 158 suspected members of the Islamist militant group Boko Haram, security sources told CNN Tuesday, three days after a spate of bombings and shootings left more than 200 people dead in Nigeria's second-largest city.
Nigeria imposed a 24-hour curfew Saturday in the northern city of Kano after assailants killed scores of people and wounded others in a hail of gunfire and coordinated bombings of eight government sites.
Negotiations between labor unions and the Nigerian government ended late Thursday without an agreement to restore fuel subsidies, and a union official expressed resolve, in the absence of an accord, to halt oil production in the eighth-largest petroleum-exporting nation.
Nigeria's government is facing rising religious violence in the north, a long-simmering separatist movement in the oil-rich south and now a nationwide strike fueled by widespread anger over the end of fuel subsidies seen by many as one of the few benefits of living in the largely impoverished state.
An Islamic militant group in northern Nigeria has claimed responsibility for attacks that killed at least 25 people in a rash of violence against the country's minority Christians, officials said, after it issued an earlier ultimatum that gave Christians three days to leave the area.
There are ominous signs in Nigeria that the campaign of violence by the militant Islamist group Boko Haram is leading to wider and more explosive sectarian tensions -- in a country where Christian-Muslim relations are often tense and sometimes bloody.
Nigeria's Christians are losing faith that the government will protect them from attacks by Islamic extremists and will "respond appropriately" to future killings, the country's leading church group warned Wednesday.
A government official condemned Monday the series of Christmas Day attacks on churches in Nigeria that killed 35 people, blaming an extremist group that has claimed responsibility for similar attacks in the last two years.
Following an outbreak of violence that left more than 100 people dead, the U.S. Mission in Nigeria issued a warning to Americans on Sunday, saying more attacks may be imminent in the northeastern part of the nation.
The Nigerian Islamic militant group Boko Haram says it bombed U.N. offices in Abuja last week because the world body is a partner "in the oppression of believers," a spokesman for the group said Wednesday.
On Friday a car bomb exploded at the United Nations compound, in the Nigerian capital, Abuja, killing at least 18 people and injuring several others. It is the latest, and most ambitious in a series of bomb explosions that have hit the city in the last year.
A bomber whose blast Thursday killed at least five people, including himself, at police headquarters in Nigeria's capital was probably targeting the inspector-general of police, a security source who has spoken to investigators told CNN.
Nigerian authorities on Friday arrested 92 people allegedly affiliated with a militant Islamist group that the government says is responsible for a string of recent killings in the country's northeast.
Police in northern Nigeria on Saturday detained almost 4,000 members of an Islamic community, claiming the group posed a potential violent threat, the police commissioner in the Nigerian state of Niger told CNN.