A gathering of young people got out of hand in Lausanne on Sunday evening. Pyrotechnics were thrown at the police, rubbish bins were set on fire and a bus was damaged. Calm returned after midnight, according to the police. + Get the most important news from Switzerland in your inbox The emergency services partially withdrew “after several hours of violence”, as the Vaud cantonal police announced on Platform X on Monday night. However, surveillance will be maintained. According to the police, around one hundred youths had previously gathered in the Prélaz district from 9:30pm. According to the press release, masked youths targeted the police with pyrotechnic objects. The fire brigade was deployed to extinguish the various sources of fire. Images circulated on social networks and published by the newspaper 24 Heures on its website showed overturned rubbish containers in the street and burning rubbish on the carriageway. A damaged bus belonging to the Lausanne transport company TL was ...