Nigeria, July 20 -- The Borno State Government on Saturday said it had received a proof-of-life video showing dozens of students abducted during the 29 June attack on Government Day Secondary School, Lassa, warning that renewed attacks on schools threaten hard-won gains in education across the insurgency-hit state.

The disclosure came at the Borno State Education Summit in Maiduguri, where the Commissioner for Education, Science and Technology, Abba Wakilbe, played a 15-second video during a presentation on the security challenges confronting the education sector.

Mr Wakilbe said 36 students remain in captivity from the Lassa abduction, comprising 25 girls and 11 boys, while rescue efforts continue.

"Since the Chibok abduction, we have...