Authorities are searching for 45-year-old military veteran Michael Paul Brown who killed four people at a Montana bar on Aug. 1.

Manhunt continues for Michael Brown after fatal shooting at Anaconda bar left four residents dead. The suspect was last seen barefoot and shirtless.

At least four are dead in a shooting happened at about 10:30 a.m. local time at The Owl Bar in Anaconda, according to the Montana Department of Justice. A manhunt is intensifying for the gunman who allegedly killed a bartender and three patrons at a bar in southwestern Montana, authorities said.