The Tula Region Prosecutor's Office has published a video of the explosion in the Solnechny children's camp near Tula. Three children were injured in the incident.
The children were trying to conduct a chemical experiment, which is what caused the explosion. The incident was caught on a surveillance camera. The recording shows three children engulfed in flames.
The injured were hospitalized. The condition of one of them is considered serious. The prosecutor's office is conducting an investigation.