Leipzig (dpa / sn) – After irritant gas escaped in a school in Taucha in northern Saxony, around 20 students had to be treated medically. The young people complained about irritation of the respiratory tract on Wednesday morning, as the police told the German Press Agency. It was initially unclear why the gas leaked in the high school on Friedrich-Engels-Strasse. The police have started the investigation, but have not yet released any further information on the case.