The release followed negotiations between Nigeria's government and Boko Haram brokered by Red Cross and Swiss government.
It is confirmed that 21 of the missing Chibok Girls have been released and are in the custody of the Department of State Services, DSS.
"It is confirmed that 21 of the missing Chibok girls have been released and are in the custody of the department of state services," presidential spokesman Garba Shehu said in a statement.
"The release of the girls ... is an outcome of negotiations between the administration and the Boko Haram brokered by the International Red Cross and the Swiss government," Shehu said.
