Three soldiers were killed when a tank exploded during a military exercise in Japan’s Oita region, Prime Minister Sanae Takaichi confirmed on April 21, 2026. According to AFP, the explosion occurred at a training ground of Japan’s Self-Defense Forces in the southwestern part of the country. The blast was reportedly caused by a misfire of ammunition inside the tank, killing three crew members and injuring another.

Prime Minister Takaichi described the incident as extremely tragic and expressed deep condolences for the victims. Authorities have launched an investigation to determine the exact cause of the explosion and circumstances surrounding the misfire.

Further details about the investigation or the condition of the injured soldier have not yet been released.