The incident occurred in one of the pavilions of the complex, where a sporting event organized by the school was taking place. According to CMthe chairs came off the bench and the victims fell backward, falling from a height of about one and a half meters.
The head of the sapadors said that a check was carried out at the scene the day before the event.
At 16:00 the Sapadores regiment and INEM mobilized resources to the site. PSP was also called to the scene.