A gunman opened fire at a neighborhood bar in the small town of Anaconda, Montana, on Friday morning, killing four people before disappearing into the rural foothills of southwestern Montana, prompting a search that extended late into the night.

Law enforcement officers are scouring a mountainous area of western Montana for a military veteran who authorities say opened fire at a bar, killing four people.

A shooting at a Montana bar left four people dead Friday, prompting a lockdown in a neighborhood several miles away as authorities searched for the suspect in a wooded, mountainous area. The shooting happened around 10:30 a.