An attack on a Hong Kong man in the Japanese city of Sapporo that triggered travel warnings from Chinese authorities was reportedly caused by a dispute over “dining etiquette”. According to Japanese media this week, a 50-year-old company executive was arrested by local police officers on suspicion of striking the tourist with a bottle on Wednesday. The attack prompted the Chinese consulate in Sapporo to issue a warning advising against travel to Japan. The Hong Kong government contacted the...