“You should know that there is no truce, there is no negotiations,” one of the unidentified masked men reportedly said in the video.
Nigerian senior army officer Col. Samaila Inusa was kidnapped from his car Saturday night in Kaduna near the state-run NNPC oil refinery junction.
Some 219 of the 270 Nigerian girls kidnapped by Boko Haram are still missing two years later.
While most attention is focused on nearly 3 million Syrian refugees in Turkey, the country also hosts hundreds of thousands of others.
Over the last few days, Nigerian troops have been carrying out operations in several villages in the country's northeast.
The members are among 850 people arrested in the country on charges of links to Boko Haram, which pledged allegiance to the Islamic State group in 2015.
Dozens were reported killed as Nigeria’s military stepped up a campaign against the militant group over the weekend.
A senior military officer said the emaciated-looking detainees are now being held at Nigeria’s military headquarters in Maiduguri, the birthplace of Boko Haram.
A plan to escalate the battle against the terror group emerged from an assessment by the top U.S. Special Operations commander for Africa.
The bombs, which had been seized from militant group Boko Haram, detonated accidentally and were not planted, police said.
Friday's bombing was the latest in a series of deadly attacks in the northern part of the country.
Nigerian army spokesman Col. Sani Usman said troops ambushed Boko Haram militants Wednesday night as they emerged from their hideouts in Sambisa forest.
With Nigeria-based Boko Haram militants posing a threat in West Africa, concerns have risen about terrorists using full-body veils to hide bombs.
Two Boko Haram suicide bombers targeted a funeral gathering in the country's north.
Cooperation between the U.S. and African nations has increased as ISIS has exploited a power vacuum in Libya, a U.S. commander said.
The British prime minister will suggest that the country’s potential exit from the EU will likely lead to a dismissal of a deal that permits Britain to conduct controls on French borders.
Attackers stormed the Splendid Hotel in the African nation's capital, leading to an intense exchange of gunfire with security forces.
In a recent media chat, President Muhammadu Buhari said hijab might be outlawed if suicide bombings continue.
While the Islamic State group was reportedly responsible for 6,073 fatalities in 2014, Boko Haram was even more lethal, with a body count of 6,644.
President Muhammadu Buhari has given a Dec. 31 deadline to the country's army to defeat the militant group, which has killed tens of thousands of people.
According to Unicef, the militant group Boko Haram has put more than a million children out of school in Northern Africa.
Boko Haram pledged allegiance to ISIS in March. The militant group in Nigeria apparently has killed more than 1,000 people in the past two months.
