Delhi Police said that CCTV cameras near the site of the incident are defunct and could not capture related footage (Representational Image)

A day after a 17-year-old girl studying in Class 12 was found dead in a burnt condition behind the guard room of a government school in East Delhi, sources in the Delhi Police said that CCTV cameras near the site of the incident are defunct and could not capture related footage. Investigators, said sources, scanned the footage of all the CCTV cameras in the school premises but could not find any footage of the girl moving towards the guard room.

On Sunday, investigators questioned the teachers and staff of the school and the girl’s father.…