DES MOINES, Iowa (AP) — Authorities have identified 20-year-old Lily Macke of Grimes, Iowa, as the woman who died in a fatal collision between a car and a semi. The Polk County Sheriff’s Office said in a news release Saturday that Macke was driving a 2006 Nissan southbound on Highway 141 on Friday morning when her vehicle crossed the median and was struck by a northbound semi. She was pronounced dead a the scene. The driver of the semi was uninjured. The investigation into the accident continues.