A 71-year-old man in Tokyo was arrested over the weekend for allegedly sending threatening letters to the parents of kindergarten pupils he claimed were too noisy, suggesting he might attack the kids unless they were quieter, police said Monday.Yutaka Arai, a resident of Tokyo's Adachi Ward, is suspected of leaving threatening letters inside the mailboxes of the children's homes last week. He lived near a school bus stop for a kindergarten and told investigators he had been annoyed by the loud voices of children awaiting buses, the police said.Arai has denied the letters were intended as th…READ FULL ARTICLE