A female teacher died Thursday in southern Thailand after a gunman opened fire at a school where she worked, the provincial administration said on social media.

Axar.az informs, citing NBC news, a 17-year-old used a firearm stolen from a police officer to shoot the teacher, identified as Sasiphat Sinsamosorn, at the Patongprathankiriwat School in Songkhla province’s Hat Yai district on Wednesday before being detained by police.

A female student was also shot. Information about her condition has not yet been released.

Sasiphat, who also served as the school’s director, was taken to an intensive care unit for surgery but died early Thursday due to internal organ injuries and significant blood loss, the health ministry said.

Officials said the detained suspect, who has a sister at the school, has a history of substance abuse and was discharged from a psychiatric hospital in December.