Investigators searching for a man they say shot and killed four people at a Montana bar Friday morning have located the pickup truck he fled in, but the suspect — believed to be armed and dangerous — remains on the loose,

Authorities said the suspect in a shooting at The Owl Bar in Anaconda, Montana, was believed to be armed and dangerous.

A manhunt was underway in Montana on Saturday for 45-year-old Michael Paul Brown, a former soldier accused of fatally shooting four people at a bar.