Those killed on Friday were a bartender and three patrons, ranging in age from 59 to 74, the authorities said. The suspect fled into the nearby foothills.

Authorities said the suspect in a shooting at The Owl Bar in Anaconda, Montana, was believed to be armed and dangerous.

Parts of a national forest near Anaconda, Montana, were closed late Saturday as authorities expanded their search for the gunman accused of killing four people at a bar on Friday morning. The suspect,