Authorities are scouring a mountainous area of western Montana for a military veteran who they say opened fire at a bar, killing four people. Michael Paul Brown, 45, fled The Owl Bar in the small town of Anaconda in a white pickup truck but ditched it at some point,

Four were reportedly killed at the Owl Bar in Anaconda, Montana after a gunman, believed to be armed with an AR-15-style rifle, opened bar inside or near the bar, reports claimed. The incident sparked a citywide emergency response forcing businesses to close.

Authorities are scouring a mountainous area of western Montana for a military veteran who they say opened fire at a bar, killing four people. Michael Paul Brown, 45, fled The Owl Bar in the small town of Anaconda in a white pickup truck but ditched it at some point,