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, officials said.

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.

Montana Owl Bar shooting's gunman in tie-dyed shirt is on the run after opening fire in Anaconda. Police are searching for a gunman who opened fire at Owl Bar in Anaconda, Montana, on Friday afternoon.