The Riley County Police Department is investigating a reported aggravated assault that occurred Tuesday morning in Manhattan. According to police, officers responded just after 11 a.m. to the 100 block of Bluemont Avenue after receiving a report of a disturbance in a parking lot. A 25-year-old man told officers a known 44-year-old man brandished a firearm during an argument. No arrests were announced Tuesday, and the investigation remains ongoing. The post Parking lot disturbance prompts aggravated assault investigation appeared first on News Radio KMAN.