The Niger Delta Avengers group has slashed Nigeria's oil production by 600,000 barrels per day.
A pest has wiped out 80 percent of tomato farms in one state, but Lai Mohammed says the militant group is to blame.
Militants including the Niger Delta Avengers have carried out attacks on oil pipelines, cutting production.
Two Emirs return to Borno State to celebratory crowds after being forced to flee by radical Islamists.
Girl says all but six of the Chibok girls are alive and being held in the Sambisa Forest, which contradicts the assumption the girls had been widely scattered.
Boko Haram militants abducted 276 girls from their school in Chibok more than two years ago.
Competition for resources and religious affiliation merge in a deadly battle in a country wracked with security threats.
Much of Boko Haram's success has been down to the misappropriation of billions of dollars of Nigerian funds.
The Grammy-winning singer speaks exclusively to 'Newsweek' about the plight of African girls.
Hundreds of millions of dollars in Nigerian money have been secreted abroad.
The country expects up to 150,000 people to pass through its borders in 2016, many en route to Europe.
Suicide bombings specifically are killing more people and spreading to more countries.
Ongoing clashes between Fulani herdsmen and farmers have killed hundreds in 2016.
Victims of sexual violence are not receiving adequate support, according to a new report.
Two years on, Nigeria and its allies must not give up searching for the 219 teenagers still missing.
A report has found the militant group offers young people financial incentives to join.
A report says half of the militant group's suicide attacks in Cameroon are carried out by children.