The governor of Nigeria's volatile Kaduna state and a former national security adviser were among six killed when a helicopter crashed in the southerly oil-producing Bayelsa state today, officials said.
At least 45 people died when a wooden boat carrying 166 people from southeastern Nigeria capsized off the coast, a doctor said.
Clashes between rival ethnic groups have killed at least 30 people in eastern Nigeria's Taraba state since they erupted on Friday, police said.
A Nigerian senator and several other people were killed when gunmen attacked a mass burial for 63 victims of violence the previous day in ethnically mixed Plateau state, a government official said.
Muslims protested in Nigeria, Iran, Greece and Turkey to show anti-Western anger against a film and cartoons insulting Islam had not dissipated.
Gunmen opened fire on Muslim worshippers as they were leaving a mosque in northern Nigeria, killing at least 20 people, a local official said.
There were no survivors among the 147 people on board a domestic passenger aircraft that crashed in the Nigerian city of Lagos on Sunday, an official of the National Emergency Management Agency (NEMA) said.
Nigerian emergency services pulled more bodies out of the still-smouldering, ash-covered wreckage of a plane that crashed in the commercial hub Lagos, killing all 153 people on board.
Suicide car bombers attacked three churches in northern Nigeria today, killing at least 19 people and wounding dozens, and triggering retaliatory attacks by Christian youths who dragged Muslims from cars and killed them, officials and witnesses said.
An Italian and a British hostage kidnapped in May in Nigeria were killed today by their captors during a joint raid by British and Nigerian forces in an operation to free them, Italy's government said.
President Giorgio Napolitano led a chorus of condemnation of Britain's failure to inform the Italian government before launching a botched rescue mission with Nigerian forces that led to the deaths of British and Italian hostages held by a militant Islamist group.
Former Colombian finance minister Jose Antonio Ocampo ended his bid to become World Bank president, leaving two candidates in an unprecedented challenge to US control of the global development institution.
Gunmen opened fire on a church service in Nigeria, killing six people and wounding 10, the church's pastor said, the latest in a string of attacks that has raised fears of sectarian conflict in Africa's most populous nation.
Hundreds of Christians have begun to flee northern Nigeria after dozens were killed in a series of attacks by Islamist militants who issued an ultimatum to Christians to leave the mainly Muslim region or be killed, witnesses said today.
More than 100 people were killed in bomb attacks and gunfights in Nigeria's second largest city Kano late on Friday, a senior local government security source said, in the deadliest coordinated strike claimed by Islamist sect Boko Haram to date.
At least 65 people were killed in the northeast Nigerian city of Damaturu, an aid agency said today, after Islamist insurgents bombed churches, mosques and police stations and fought hours of gun battles with police.
The IMF director Christine Lagarde urged developing countries today to shore up their defences, especially foreign exchange reserves, against a possible European recession next year.
Islamist militants set off bombs across in Nigeria on Christmas Day - three targeting churches including one that killed at least 27 people - raising fears that they are trying to ignite sectarian civil war.
A car bomb ripped through the United Nations' headquarters in the Nigerian capital of Abuja, killing at least 18 people, in an attack reminiscent of a June blast claimed by a local radical Islamist group.
Nigerian authorities investigating last week's fatal bombing of the UN headquarters arrested two members of Islamist sect Boko Haram a week before the attack and said they suspect a third member with an al Qaeda connection led the plot.
At least 22 people died in clashes between Christian and Muslim youths and security forces in the restive Nigerian city of Jos, a local mortuary official said, in the second day of violence there this week.
President Goodluck Jonathan secured election victory as votes were tallied from around Nigeria, fuelling anger in the mainly-Muslim strongholds of rival Muhammadu Buhari.
More than 800 people were killed and over 65,000 displaced in three days of violence following a presidential election in April won by President Goodluck Jonathan, Human Rights Watch said.
A suspected suicide bomber detonated explosives outside Nigeria's police headquarters, officials said, killing several people and marking a serious deterioration in security in the West African nation.
President Barack Obama condemned separate "outrageous terrorist bombing attacks" in Egypt and Nigeria and said the United States was prepared to assist both countries in responding to them.
At least 11 people were trampled to death in a stampede at an election campaign rally for Nigerian President Goodluck Jonathan in the southern oil city of Port Harcourt.
Nigerians voted in masses in what they hope will be their first credible presidential election for decades and could set an example across Africa.
Nigeria registered their biggest win over a major footballing country by thrashing a depleted Argentina side 4-1 in a friendly.
Argentina celebrated their win against Nigeria, in a 3-1 goal victory at Bangabandhu stadium today. Today's match marked the Argentine team's second friendly match under new coach, Alejandro Sabella, in Dhaka city, Bangladesh.