Michael Paul Brown, the Army veteran suspected of killing four people in a bar shooting in Montana is still at large and is ‘believed to be armed and extremely dangerous,’ per authorities. Residents in the Anaconda area have been advised to stay inside on ‘high alert.

Montana Division of Criminal Investigation administrator Lee Johnson says 45-year-old Michael Paul Brown fled The Owl Bar after the Friday shooting in the small town of Anaconda.

Authorities were scouring a mountainous area of western Montana on Saturday for a military veteran who they say opened fire at a bar, killing four people. See footage from the scene in the video player above.