It was 16.40 today, Thursday 29 September, when the firefighters and 3 state police cars were called by the Chemistry department. In one of the laboratories, a pressurized container exploded while some tests were underway, two boys of 24 and 29 were seriously involved. the first originally from Albania, the second from Florence was seriously injured and suffered third degree facial injuries. A bay window and a counter window damaged. The firefighters have secured the laboratory together with the technicians