BANGKOK, August 7. /TASS/. The student who carried out a school shooting in Thailand first shot and killed his grandparents at their home, Reuters reported, citing the country’s police.

The gunman fired 26 shots during the attack at the school, the news agency said.

On Friday, the student shot and killed six teachers and pupils at a school in Thailand’s Nonthaburi Province before taking his own life. More than 3,000 pupils attend the school, which employs 147 teachers.