Twelve people, including 11 children, were injured in an explosion during a science experiment at a school in Sydney, Australia, ABC television reported.

According to the channel, the incident occurred around 1:20 p.m. local time.

Eleven children were taken to the hospital with burns after an explosion during a science experiment at the school. One adult also suffered superficial burns as a result of the incident, the channel said in a report.

Two children were taken to hospital with serious injuries and burns, while the other nine children are in the hospital with superficial injuries, the TV channel noted. According to an ambulance worker, cited by the channel, the children suffered burns to the chest, face and legs.

According to the TV channel, the children in question were aged 10-11. Authorities will investigate the incident.