Nigeria confirms release of 21 Chibok girls from Boko Haram
Around 270 girls were taken from their school in Chibok and more than 200 are still missing.
Nigerian officials have confirmed the release of 21 girls who were kidnapped from Chibok by Boko Haram militants in 2014.
A presidential spokesman confirmed their release follows negotiations between the Nigerian government and Boko Haram members, brokered by the International Red Cross and Swiss government.
He added: "The negotiations will continue."
Around 270 girls were taken from their school in Chibok. Dozens escaped in the initial melee and more than 200 are still missing.