⁠At least one teacher was killed and four other people injured by a student who opened fire at a school in Thailand on Friday before killing himself, authorities ‌said.Lieutenant Colonel Dechrapee Kongdee Nonthaburi Provincial Police Commander confirmed the casualties and said the suspected gunman had committed suicide. Among those injured were one teacher and three students, he said.The incident took place in the Bang Kruai ⁠district of Nonthaburi province north of Bangkok. Police identified the perpetrator as a ‌student.One 18-year-old student said he initially thought there were firecrackers going off or someone banging an ‌object.“I didn’t think it was a gun at first,” ⁠he ⁠said, “There were many shots: bang bang bang. Then it went quiet. Then it started again.”A student uses her mobile phone while walking at Debsirin Nonthaburi School on Friday. Photo: ReutersIn photos circulated ⁠by ⁠emergency workers, students streamed out of the Debsirin Nonthaburi ‌School, on the northwestern outskirts of Bangkok, as ambulances operated.