Nigeria's president and the leading opposition candidate urged people to remain calm after a national election scheduled for Saturday was postponed by a week just five hours before polls were due to open.
Three soldiers were killed when Boko Haram jihadists raided a military base in northeast Nigeria, security sources said on Saturday.
Five people were killed in a fire at a camp for those displaced by Boko Haram violence in northeast Nigeria, an eyewitness and a humanitarian source said on Friday.
Nigerian troops were back in a strategic town on the shores of Lake Chad, military and civilian sources said Thursday, after Boko Haram attacks forced tens of thousands to flee.
Islamist militants and Nigerian troops have been fighting around a fishing town on Lake Chad as the insurgents step up attacks in the run-up to a presidential election in which security is a campaign issue, the army and residents said.
The head of Nigeria's main anti-corruption agency on Monday said he wanted former oil minister Diezani Alison-Madueke to be extradited to face trial because a corruption probe against her in Britain was taking too long.
At least three people were killed when supporters of an imprisoned Shia cleric clashed with security forces during a protest march in Abuja, the Nigerian Army said.
Pirates boarded a container ship off the coast of Nigeria, seizing 11 crew including eight from Poland, according the vessel's management firm and Polish state media.