A teenage Thai student killed at least five people and himself at a school outside Bangkok on Friday after fatally shooting his grandparents, police said, in the Southeast Asian nation's worst mass killing in nearly four years. Those killed at the school were all teachers and staff, and police said the 14-year-old shooter fired at least 26 bullets using a gun that belonged to his grandfather.

A shooting rampage at a school on the outskirts of Bangkok, Thailand, has left at least five people dead and more than 20 others injured, after a 14-year-old student allegedly…

Police have identified the perpetrator as a student.