Open this photo in gallery: People take part in vigil at the Helvetia square in Zurich, Switzerland on March 3.Walter Bieri/The Associated Press A teenager has been arrested on suspicion of stabbing and critically wounding an Orthodox Jewish man on the streets of Zurich, Swiss police said Sunday. Zurich police said in a statement that they suspect antisemitism as the motive in the stabbing attack that occurred Saturday evening. Police said they received a report of an argument involving several people at 9:35 p.m. According to their initial findings, the perpetrator attacked the 50-year-old man “and critically injured him with...