The department noted that investigators and a research fire testing laboratory are working to determine the exact cause of the fire.
"A number of theories are being considered by specialists. The fire could have been caused by arson or children's play with fire," the emergency services reported.
According to preliminary information, the fire on the first floor of the Ice Palace occurred due to the ignition of sports equipment. The flames spread over an area of approximately 40 square meters. It is known that three children were hospitalized after the incident.