A Kansas mom and her four children—ages 1 to 10—were killed in a horrific traffic crash, authorities said. Jessica Noel, 32, was driving in rural Sedgwick County when a grain truck ran a stop sign at an intersection, the sheriff’s office reporte. The Wichita Eagle reports that Noel’s vehicle crashed into the trailer and split in half. She and three of her children were killed instantly and one died later at the hospital. The truck driver was not injured.