A manhunt is intensifying for the gunman who allegedly killed a bartender and three patrons at a bar in southwestern Montana, authorities said.Michael Paul Brown allegedly opened fire around 10:30 a.m.

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 have launched a manhunt after a shooting at a Montana bar left four people dead. State investigators said the shooting happened Friday morning at The Owl Bar in Anaconda.