Teenager Opens Fire at School Near BangkokA teenage gunman killed at least five people before taking his own life at a school on the outskirts of Thailand’s capital after shooting his grandparents, police said . The incident marks the country’s deadliest mass shooting in nearly four years. Below is a timeline of major shooting incidents in Thailand over the past six years. July 2025 — A shooter killed five people, including security guards and a vendor at a Bangkok market before turning the gun on himself. February 2020 — A man killed his ex-wife at a Bangkok shopping mall, shooting her at her workplace in a beauty clinic.