Karlsruhe (dpa / lsw) – According to the police, several young people sprayed tear gas at a school in Karlsruhe and injured several classmates. According to information from Tuesday, the students should have sprayed pepper spray during the break the day before. More than ten sixth and seventh graders then complained of irritated airways and nausea. The ambulance service and a pediatric emergency doctor cared for the students in the gym. One of them had to be hospitalized as a precaution, all the other students were able to go home without further treatment.