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.
Military sources said the attack targeted the Forward Operation Base in Ngwom village, some 14 km north of the Borno state capital, Maiduguri.
Cameroon's semi-arid Far North region has been a target of Boko Haram suicide bombings and raids for eight years as the insurgency spilled over the border from Nigeria, killing 20,000 and uprooting nearly 3 million in the Lake Chad region.
At least three women suspected to be from Boko Haram detonated their explosives at a camp for displaced people in northeastern Borno state.
Earlier this week militants abducted members of an oil exploration following which Nigeria's military carried out a rescue operation in the Magumeri area of Borno state.
The attackers launched three separate suicide bombings inside the strategic northeast Nigerian city of Maiduguri, injuring more than 20 people.
Daesh-affiliated Boko Haram is leading a nine-year long insurgency against the governments of Nigeria, Niger, Cameroon and Chad. The ongoing humanitarian crisis has resulted in more than 20,000 deaths and displaced 2.4 million people.
It's been three years since the kidnapping of 276 schoolgirls from Chibok in northern Nigeria. Boko Haram continues to be at the forefront of a nine year-long insurgency, creating one of the biggest humanitarian crises in the world.
Up to seven suspected Boko Haram militants attempted to target refugees as they were preparing to return to their home villages in the Borno State.
The kidnapping of 276 schoolgirls in 2014 triggered international outrage that created the #bringbackourgirls Twitter campaign.
Muhammadu Buhari has requested help from the United Nations in negotiating to swap the abducted Chibok schoolgirls for detained Boko Haram leaders.
Any negotiations would be the first publicly known talks between the Nigerian government and Boko Haram, whose seven-year insurgency to create a state in the country's northeast has killed 15,000 people.
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