Local militia and residents say Boko Haram militants killed 10 people and injured 21 others with mortar shells in the volatile city.
Maiduguri city's three million residents plunged into darkness after a Daesh-linked militant group blew up transmission lines, in the third such attack in a month.
Four soldiers and seven hunters recruited to fight insurgents were killed when their vehicle hit landmines in northeastern Borno state.
UN revises death toll from initial 43 as residents bury scores of victims following a massacre allegedly by Boko Haram militants in northeastern Borno state.
A splinter group of Boko Haram stormed Kukawa, taking hostage hundreds of residents whose fate remains unknown even after the army says it's retaken control.
They have seized those who had returned to the town in a government operation on August 2 after spending nearly two years in displacement camps.
An official said explosives that were fired from outside the city "landed on separate sites."
Insurgents fired rocket-propelled grenades at a lorry carrying troops as it travelled near Gorgi village in Borno state, two military officers said without giving their names.
Militants targeted the village of Auno on a key highway linking to regional capital Maiduguri, officials say, adding many women and children were abducted in the raid.
Mercy Corps says it's suspending operations in Borno and Yobe states after Nigerian military shut four of its field offices. Separately, Daesh-linked militants executed one of six captive aid workers of Action Against Hunger.
The global rights watchdog urged Nigeria to release the children – some as young as five years – detained in degrading and inhuman conditions in military cells, in a report rejected by the Nigerian army.
More than 40 people were also wounded when three unidentified bombers struck in the northeast state of Borno where villagers were watching a football match on TV, officials and villagers say.
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