The Don Muang Technical College yesterday decided to shut its doors for a week after it was proved that a group of its students was behind the shootout on a city bus on Wednesday evening, which killed an innocent commuter and a student from the rival Thaivichitsilp School.

Stray bullets also injured two other bus passengers.

Meanwhile, Samut Prakan police stopped a battle between students of two vocational schools from erupting by arresting 49 youngsters between the ages of 16 and 18.

Read more: The Nation