(Waupun) Police in Waupun say a man suffered a severe injury to his arm when he fell on a knife last week. Deputy Chief Jeremy Rasch says it happened Wednesday morning just before 11am in the 600 block of Park Street. Waupun EMS was sent to the address. The 35-year-old man was treated at the scene and taken to a local hospital. Rasch says the man told officers the injury was accidental.