Update 4:30 p.m.Law enforcement vehicles cleared the area of the 900 block of Park Hill Drive.Police have not confirmed the nature of the investigation, though they have promised updates as more information is collected.(origina l report)Billings police are asking people to stay away from the 900 block of Park Hill Drive because officers are "conducting an active investigation."The spot is about a block west of Highland Elementary School.Police gave few details in a social media post but stated they would release additional information as the investigation allows.This is a developing story. Check back for details. ...read more read less