Students take cover as gunman opens fire at school

WARNING, DISTURBING CONTENT: Terrifying video shows students taking cover inside a classroom as gunfire erupts at a school just outside Bangkok. Police say a 14-year-old opened fire, killing five teachers and wounding more than 30 people.

WARNING, DISTURBING CONTENT: Terrifying video shows students taking cover inside a classroom as gunfire erupts at a school just outside Bangkok. Police say a 14-year-old opened fire, killing five teachers and wounding more than 30 people before turning the gun on himself.