Overview

• The explosion occurred at 11:20 a.m. on the south side of the Faculty of Engineering experimental building during an outdoor gas experiment.
• A male professor placed the 119 emergency call and university staff coordinated with the Saitama City Fire Department for an immediate response.
• The blast shattered nearby windows and caused property damage across the campus grounds.
• Officials transported the injured faculty member to a local hospital with head injuries that were confirmed to be non-life-threatening.
• Fire department and police investigators have launched a probe into the precise cause, prompting Saitama University to review its combustible gas handling protocols.