An accident involving life-threatening injury occurred Monday at 6:17 p.m. in Winthrop. According to Minnesota State Patrol a semi, driven by Scott Allan Sondag, 35 of Winthrop, was parked on the shoulder of Highway 19 near North Redwood Street. A Chevy Silverado pickup, driven by Jerry Gail Mortenson, 74 of Maple Grove, was eastbound on Highway 19 when it made contact with the juvenile passenger of the semi who had stepped into the highway. The 8-year-old was taken to Hennepin County Medical Center. There was no alcohol involved in the accident according to State Patrol. Winthrop Police, Winthrop Ambulance, Gaylord Police, Gibbon Police and Sibley County Sheriff’s Office assisted State Patrol on the scene.