Crude bomb left on Oklahoma gas line, FBI says
By the CNN Wire Staff
August 10, 2011 8:57 p.m. EDT

(CNN) -- FBI agents are looking into who left what appeared to be a crude explosive device attached to a natural gas line in rural Oklahoma, the bureau said Wednesday.

The "potential explosive device" was found late Wednesday morning outside Okemah, about 70 miles east of Oklahoma City, the FBI's Oklahoma City bureau said in a statement. Bureau spokesman Clay Simmonds said authorities used a water cannon to disrupt the device and took it to a laboratory for examination....