Yakubu Nkeki, the head of the Chibok girls parents association, told AFP: "We are praying for every Nigerian who is in the custody of Boko Haram".
The militants regularly took youngsters to spread fear and show power, the agency said on the eve of the fourth anniversary of the abduction of 276 schoolgirls from the town of Chibok, a case that triggered global outrage.
"These repeated attacks against children in schools are unconscionable", said Fall.
The relentless onslaughts show not even children and schools are spared from Boko Haram's wrath - rather, they are the targets.
She became pregnant and "now lives with her young son in an IDP (displaced persons) camp, where she has struggled to integrate with the other women due to language barriers and the stigma of being a "Boko Haram wife", UNICEF said.
Tyson Fury announces boxing return following doping suspension
The former unified heavyweight world champion has not fought since November 2015 and will return to the ring after a long legal battle with UK Anti-Doping.
The United Nations Children's Fund (UNICEF) yesterday said that at least 2,295 teachers had been killed in the North-east since the conflict started in 2009.
Boko Haram, whose name roughly translates into, "Western education is forbidden", seeks to establish an Islamic state in northeast Nigeria, though it has spread its terror across mountainous borders over the years into Niger, Chad and Cameroon, all of which surround the Lake Chad Basin.
A month later, the militants returned nearly all of those girls.
He also called on the executive to intensify efforts for the release of Leah Sharibu, the Dapchi girl who was not released along with other abductees, reportedly for refusing to renounce her faith.
Ahmad Salkida said he had negotiated for the release of the girls on the behalf of the government.
Nicki Minaj's Original 'Motorsport' Verse Name Checking Cardi B Surfaces
I'm not like these artists that are out now that have the luxury of you know, Instagram , you know. However, Minaj did congratulate Cardi on her success , and said she doesn't hold any grudges .
Silkida, however, said he was shocked on getting to Damaturu, the Yobe State capital only to discover that the detained Boko Haram members were not on ground for the swap deal.
"I hereby call on President Muhammadu Buhari, as the father of the nation and Commander-in-Chief of the Armed Forces, to put an end to their sorrow by freeing their daughters from captivity".
The Chibok ceremony, which included Christian and Muslim prayers, was one of a number of vigils and protests to mark the four-year anniversary of the abduction across Nigeria.
The Imam of Falomo Police Mosque, Imam Tajudeen Adebayo, during the interfaith prayers, thanked Allah for those that were released and prayed that the remaining girls would also be rescued.
On Monday, January 15, 2018, Boko Haram released a video showing some of the abducted school girls declaring that they don't want to return home.
PM must retire, not fast: Congress taunt
Sources had yesterday said that while observing the fast, he will not disturb his daily official routine. The PM will go about his work as usual but not have any food during the day, said media reports.