AZTEC, N.M. (AP) — Students hid in their classrooms, some behind locked doors or in closets, as a gunman opened fire Thursday inside a New Mexico high school, killing two classmates before he ended up dead.

Authorities and other officials in the small town of Aztec near the Colorado border have released few details other than to say the shooter and two victims attended Aztec High School.

No other injuries were reported, and it was not clear if the shooter died by suicide or was killed by police.

Bryn Divine, a senior, said she was sitting at her desk in her history class when she heard gunshot...