“The suspected attacker, a 27-year-old Swiss citizen, carried out the attack on a train travelling in Switzerland’s far east, along its border with Liechtenstein, and was also injured, regional police in St Gallen said in a statement.
According to preliminary reports, the attack began as the train was approaching Salez station, between the towns of Buchs and Sennwald, when the suspect set fire to a carriage with dozens of people aboard before beginning a stabbing spree.”
https://www.zerocensorship.com/uncensored/swiss/least-injured-knife-arson-attack-train-308768
Translating from the Swiss Wikipedia:
Most Muslims (88.3%) in Switzerland are not citizens. Of the 11.7% who are Swiss citizens (36,481 people) were mostly nationalized 7.7% and some 3.9% were born Swiss.