A 68-year-old man was arrested Monday for allegedly injuring a doctor who asked him not to wear his face mask on the chin at a hospital in Okayama Prefecture, western Japan, police said.Tatsuo Shimizu from the city of Okayama was quoted by the police as saying, "I had a quarrel (with the doctor), but I didn't use violence."Shimizu is suspected of grabbing the male doctor in the chest area, resulting in a minor injury, on Jan. 25, according to the police.Shimizu, who was visiting the hospital for a checkup, lost his temper after the 34-year-old doctor saw him wearing his mask on the chin and…READ FULL ARTICLE