The attacks and deadly retaliation are threatening to eclipse Boko Haram as the top security issue leading into next year's election, analysts have warned.
"The grand corruption of our recent past saw tens of billions of dollars frittered away on fraudulent oil deals and bogus military contracts."
Nigeria has just emerged from a tough recession, but brighter days lie ahead for Africa's economic powerhouse.
Nigeria's former first lady has accused the Buhari administration of overseeing a "witch hunt" against her and her husband.
The Indigenous People of Biafra is calling for a separate state in southeast Nigeria, raising fears of another civil war.
Nigeria's first democratically-elected president says that the country cannot afford another war.
The Nigerian militant group continues to recruit young girls to carry out suicide attacks.
Abubakar Shekau, a jihadi with a $7 million U.S. bounty on his head, continues to give Nigeria's military the slip.
The country's vice president slammed health tourism just days after Buhari returned from a three-month medical break in the U.K.
Buhari is keen to crush dreams of an independent state of Biafra. But the dreamers aren't going quietly.
Muhammadu Buhari had been in the U.K. on sick leave since May 7.
The military capability of the militant herdsmen has become increasingly sophisticated.
Police don't believe Islamist militant group Boko Haram to be behind the attack that killed 11 people.
If vigilantes are going to continue the fight against radical Islamists, they must operate within the law.
A property owned by Jonathan was burgled recently, but only six TVs were stolen, his spokesman has said.
Yoweri Museveni, 72, says sleeping with a mosquito net and avoiding alcohol are some of the ways to ensure good health.
Buhari has been away for two months. Is his vice president, Yemi Osinbajo, preparing to succeed him?
Nigeria's president has been absent for more than three months in 2017, but his wife says that he will soon make a strong return.
Nigeria's Nobel Prize-winning writer Wole Soyinka thinks the country's battle with secession has not ended, but the methods have changed.
Nigeria slipped into recession in 2016 after militants blew up oil facilities. But the government is trying to negotiate peace.
Buhari has been on medical leave for a total of 14 weeks in 2017, and Nigerians are not satisfied.
Ethnic tensions are boiling over in Nigeria. They did that before, and more than 1 million people died as a result.