Security forces killed 20 suspected members of the militant Islamic group Boko Haram in northeastern Nigeria on Sunday, an army captain said.
Gunmen attacked a church in the central Nigerian state of Kogi, killing at least 19 people, a military official said Tuesday.
A militant Islamist group claimed responsibility Monday for bombings the day before that the Nigerian Red Cross said left 50 people at three Christian churches in Nigeria.
Three church bombings and retaliatory attacks in northern Nigeria killed at least 50 people Sunday and injured more than 130 others, the Nigerian Red Cross Society said.
Two church bombings in northern Nigeria killed at least 15 people and wounded 38 others Sunday morning, the Red Cross said.
CNN's Nima Elbagir reports on a failed Nigeria hostage rescue and families looking for answers from their governments.
Nigerian extremist group Boko Haram have killed more than 100 people in the past week, but what are their aims?
A group of local journalists in northern Nigeria has become the most crucial communication link between the militant Islamist terror group Boko Haram and the rest of the world.
Fear and anxiety gripped churchgoers in Nigeria on Sunday after four people were killed in the latest church attack.
Police captured 25 inmates freed when gunmen stormed a prison in central Nigeria, spraying bullets and emptying cells in a brazen evening attack, officials said Friday.
About 25 gunmen attacked a prison in Nigeria's central Kogi state and freed a number of inmates, a police spokesman said Thursday.
CNN's Max Foster talks to Northwestern University professor Richard Joseph about the escalating violence in Nigeria.
The spokesman for Nigerian militant group Boko Haram has been captured after a months-long surveillance operation, a spokesman for Nigerian police said Wednesday.
CNN's Nima Elbagir reports on Boko Haram militant threats and attacks on police and civilians in Nigeria.
Nigerian President Goodluck Jonathan has suddenly shifted his attitude toward the Islamist extremist group Boko Haram, as violence spreads across northern Nigeria.
Militants launched a fresh attack Monday in Nigeria's second largest city, Kano, which is already reeling from a series of bombings and shootings that killed more than 200 people earlier this month.
Nigerian security forces killed 11 suspected Islamic militants Saturday in the northeastern city of Maiduguri.
Police said a group of suspected militants attacked a police station in Nigeria's Kano province on Friday.
Nearly a week after a spate of bombings and shootings in northern Nigeria killed more than 200 people, authorities are fighting to stay ahead of the militants blamed for the attacks.
A German worker was kidnapped Thursday in Kano, a northern Nigerian city wracked by violence, police said.
The inspector general of police in Nigeria has been fired, aides to the Nigerian president said Wednesday.
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.
A night-time curfew has been imposed in the Nigerian city of Kano, days after a deadly series of attacks.
Nigeria's president toured his nation's second largest city Sunday after blasts there killed at least 157 people, and left the police headquarters and other government buildings in charred ruins.
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.
The governor of Cameroon's Far North Region on Thursday said threats posed by militant Islamist group Boko Haram were "very critical."
The head of Nigeria's police has been given 24 hours to produce a terror attack suspect who escaped police custody under suspicious circumstances, a government minister said Thursday.
CNN's Nima Elbagir reports on the deteriorating situation in Nigeria amid attacks by Boko Haram.
A police commissioner in Nigeria has been suspended after the escape of a suspected terror group member, Nigerian police confirmed Wednesday.
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.
A northeastern Nigerian state was under a 24-hour curfew Saturday following three days of violence that left more than 30 Christians dead.
Nigeria's president has declared a partial state of emergency to contain a wave of attacks by an Islamic militant group across the country's northeast.
The militant Islamist group Boko Haram issues an ultimatum to Christians in northern Nigeria. CNN's Tim Lister reports.
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.
The militant Islamist group Boko Haram has issued an ultimatum giving Christians living in northern Nigeria three days to leave the area amid a rising tide of violence there.
Nigeria's president has declared a state of emergency in parts of the country afflicted by violence from the militant Islamist group Boko Haram.
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.
CNN's Ralitsa Vassileva reports on the aftermath of gruesome Christmas day church bombings in Nigeria.
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.
In November, dozens of armed men descended on a town in northern Nigeria and killed more than 100 people in a coordinated series of bombings and gun attacks.
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.
Dozens of people have been killed during two days of clashes between Islamist militants and Nigerian security forces in a northeastern town, an army commander said.
A powerful bomb exploded Tuesday at a military post in the restive, northeastern Nigerian city of Maiduguri, followed by a hail of gunfire, witnesses said.
An Islamic militant group responsible for a wave of suicide attacks, car bombs, assassinations and assaults across northeastern Nigeria threatens the stability of the country.
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.
A series of attacks targeting police stations, mosques and churches left many dead and injured in northeastern Nigeria.
A series of bomb and gun attacks targeting police stations, mosques and churches left 65 people dead in northeastern Nigeria, the Red Cross said Saturday.
Suicide bombers suspected to belong to a militant Islamist group targeted a military base in northeastern Nigeria on Friday. No one was killed.
Suspected members of a radical Islamist sect killed a state television cameraman in northern Nigeria, a union group said Sunday.
A deadly bombing in Abuja has launched a little-known Islamic extremist group onto the terrorism radar, raising U.S. officials' concern about the spread of the influence of al Qaeda.
Gunmen killed the brother of the slain leader of Nigerian militant group Boko Haram in the northeastern Nigerian city of Maiduguri, a spokesman for the military said Monday.
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.
Nigerian authorities said Wednesday that a man with ties to al Qaeda plotted last week's car bombing at the United Nations' headquarters in the Nigerian capital that killed 23 people.
U.N. Secretary General Ban Ki-moon condemns the bombing of a U.N. office in Abuja, Nigeria.
A Nigerian militant group has claimed responsibility after a car loaded with explosives rammed into the United Nations' building in the capital, killing 23, a government spokesman said Monday.
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.
Three people were killed Sunday in an explosion in Suleja, Nigeria, outside the capital of Abuja, officials said.
A bomb targeted a military patrol in the northeast Nigerian town of Maiduguri on Wednesday, leading to a shootout with attackers that left two soldiers injured, an army spokesman said.
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.
A pair of explosive attacks in northeast Nigeria killed 11 people, a spokesman for Borno state police said Wednesday.
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.
Authorities were searching for more than 680 inmates Wednesday who escaped after gunmen attacked a prison in northern Nigeria, police said.
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.
