Joe Wright

Details of the release have not been made public and it remains unclear if ransoms were paid.

The girls were abducted last week after gunmen attacked their dorm at a government comprehensive secondary school in the northern state of Kebi.

A total of 25 girls were abducted but one girl escaped shortly after.

Nigeria has seen a spate of school attacks and abductions in recent weeks.

Last week,

More than 300 students were taken from another boarding school in a neighboring state.

Fifty students have since escaped, and more than 200 remain in captivity.

Nigerian authorities say efforts are ongoing to secure the release of the remaining children.

Joe Bright, NPR News, Vegas.