A shooting at a school north of Bangkok left five teachers dead and more than 30 people injured on Friday after a teen gunman opened fire before turning the weapon on himself, in one of the country’s ...

A 14-year-old boy in Thailand, described as "troubled" and "bullied" by a classmate, killed his grandparents before shooting dead five more people at a school on Friday, police said.

The 14-year-old boy used his grandfather’s gun to kill two of his grandparents and went on to attack his high school north of the Thai capital, according to police.