A man was arrested after attacking his father in Kalona Saturday night. According to the Washington County Communications Office, at 9:39 p.m. dispatch was notified that the caller’s brother had attacked his father who was injured and bleeding. Authorities arrested 49-year-old Gregory Eugene Davis of Kalona for simple assault. Washington County Sheriff’s personnel responded. Kalona QRS and Washington County Ambulance were called to the scene initially but were later disregarded. Davis was taken to the Washington County Jail.