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This is the shocking moment a barrel of liquid nitrogen exploded during a school science experiment - leaving 15 people injured.
Nine children were rushed to hospital with varying degrees of burns after an experiment went wrong at the House of Culture in Girona, Spain on Friday.
All 15 - including the professor behind the experiment, Deni Jaminez, and his assistant - have taken to Plaça de l'Hospital, the local Fire Department said, according to local press.
One of the injured, according to government officials, is said to be "between a serious and less serious" condition in hospital.
The horror blast took place while an experiment was being carried out on the barrel of liquid nitrogen as part of a research night in front of a crowd of mostly children.