HOUSTONIA, Mo. (AP) - A natural gas pipeline has ruptured in a rural area in western Missouri causing an explosion and fire. No injuries were reported. The Pettis County Sheriff's Department says the pipeline, owned by Panhandle Eastern Pipeline Company ruptured late Thursday outside Houstonia, about 75 miles east of Kansas City. Pettis County Sheriff's Deputy Brian Egbert says the pipeline has been shut down and that crews are working Friday to repair the line.