Sunday's attacks in Maiduguri followed more than a month without violence in the area, and came the day after the release of a recording alleged to be of Boko Haram's leader.
There were claims last week that Islamic State-affiliated militant group Boko Haram had a new leader, fuelling claims that Abubakar Shekau had died. He's now reportedly released a new audio message.
The president claimed that Boko Haram has a new leader, and said the fight against the Nigerian militant group would be over "before the end of the year."
Witness reports 20 dead in deadly assault on same day the militant group releases new video under its rebranded name, the Islamic State's West Africa Province.
In this excerpt, VICE News correspondent Kaj Larsen embeds with an operational air wing provided by private military contractors to the Nigerian military for their assault on the city of Bama.
Boko Haram fighters reportedly seized control of a town in northern Nigeria on Friday, just as the Islamic State released images praising the militant group.
The fight against the Islamist insurgency in Nigeria under President-elect Muhammadu Buhari presents an opportunity to address its root causes and begin to remedy them.
At an abandoned Maiduguri airport in northeast Nigeria, a platoon prepares and what has become a de facto staging base for a series of military counter offensives against Boko Haram.