By Kocha Olarn, Sophie Tanno, Helen Regan, and Angie Puranasamriddhi, CNNBangkok (CNN) — A 12-year-old girl has been confirmed dead in a school shooting north of the Thai capital Bangkok on Friday, which also claimed the lives of five teachers and marked one of the country’s deadliest such incidents in recent years. On Saturday, local authorities said a 12-year-old female student died from her injuries, becoming the first confirmed child to have been killed in the attack. Nantchanatporn, previously a student at the school, was described as a “much-loved” teacher who dedicated her life “completely” to the school, according to local media reports. “I heard multiple gunshots and felt like we weren’t going to survive,” 14-year-old student Khim told the Reuters news agency. “My son called me from Japan in a panic, telling me that he’d heard there was a shooting at his school.