Maiduguri - Nigeria's government now says 104 of the 110 schoolgirls abducted a month ago by Boko Haram are confirmed freed.
One 14-year-old released by the fighters has told reporters that five of the girls had died. She did not provide other details and it was not immediately possible to independently verify her claim.
Another of the freed girls has said a Christian classmate remained captive.
Nigeria's information minister denies any ransom paid or prisoners swapped in return for the release of the girls, who were returned Wednesday morning with a warning to residents: "Don't ever put your daughters in school again."
The government says the girls are being taken to the capital, Abuja, aboard a military plane.