With children on their backs, the women were shot 23 times, in shocking video in Cameroon that has led to calls for urgent action.

Women accused of being Boko Haram executed on camera in Cameroon

Many Nigerians fear the girls were abducted as brides for the Boko Haram extremists.

Search for 110 girls after Boko Haram attack in Nigeria

Families of 82 Chibok schoolgirls, released after more than three years in Boko Haram captivity, had emotional reunion with youngsters.

A total of 82 schoolgirls released by the terror group after more than three years in captivity have been returning to see their families.

Some 276 young girls were abducted by the Islamist extremists in 2014, shocking the world and sparking the "Bring Back Our Girls" campaign.

The Nigerian government is in talks with Boko Haram to release the remaining Chibok girls ahead of the third anniversary of their abduction.

Captives freed from the group's base on the Cameroon-Nigeria border were mainly women, children and elderly people, a minister said.

Another girl who was snatched by the Islamic extremist group in Nigeria in 2014 has been found by soldiers. 

Nigeria's army has driven Boko Haram from its last camp in the Islamist militant group's northeastern Sambisa forest stronghold.

Two female suicide bombers, thought to be from Boko Haram, have killed at least nine people in an attack in Nigeria.

There were joyous celebrations in Nigeria when 21 schoolgirls were reunited with their families - more than two years after being kidnapped.

Around 270 girls were taken from their school in Chibok in 2014. Dozens escaped in the initial melee but more than 200 are still missing.

Several senior Boko Haram fighters have been killed by Nigeria's air force, with the group's overall leader believed to be among the dead.

Amina Ali, the first rescued captive of more than 200 schoolgirls kidnapped by Boko Haram, expressed her desire to simply return home.

Boko Haram has reportedly released a video appearing to show some of the Chibok schoolgirls kidnapped by the Islamist group.