KANOSH, Utah—At least seven people were killed in a 20-vehicle pileup during a sandstorm Sunday afternoon, Utah Highway Patrol said. The crashes happened on Interstate 15 near the town of Kanosh, according to a news release. Several people were reportedly taken to hospitals in critical condition. Ground and air ambulances were used to transport crash victims. The pileup occurred during a period of high winds that caused a cloud of dust or sandstorm which reduced visibility, the highway patrol said. Five of the seven people killed were in one vehicle, while two others were in another vehicle, and several children were among the dead, Highway Patrol Sgt. Cameron Rhoden told KUTV in Salt Lake City. I-15 remained partially shut down late Sunday. Traffic was redirected around the crash site. Kanosh is located about 160 miles south of Salt Lake City. Five of the seven people killed were in one vehicle, …