In a kidnapping similar to that of 200 girls taken from their school by Boko Haram, more than 100 people have been taken into a forest in Nigeria.
The Nigerian military said it had killed 53 fighters from Boko Haram in northeasterly Borno state on Saturday.
In what has become a deadly pattern of violence, gunmen have killed another 28 people in Nigeria.
Demonstrators outside Nigeria’s Parliament have urged the government to seek international assistance to find schoolgirls kidnapped by Boko Haram.
Suspected Islamist gunmen killed 27 students and a teacher in a boarding school in the north-east Nigerian town of Potiskum on Saturday.