NACHUSA, Ill. (AP) — Authorities in northern Illinois say a father and son were killed in a natural gas pipeline explosion while working on a farm field.

Officials on Wednesday said 59-year-old father Rory Miller of Amboy and 30-year-old son Ryan Miller of Oregon died in Tuesday morning's explosion near Nachusa. Lee County Coroner Jesse Partington said autopsies were performed Wednesday morning but official causes of death were pending pathology results. Meanwhile, Sauk Valley Media reports that the National Transportation Safety Board and the Occupational Safety and Health Administration are...