er fired at least three or four rounds and it was not clear whether or not anyone in particular was targeted.

Dig deeper:

Video taken by a driver from across the street captured a shooter, who appeared to be dressed in black, walking up to a white car carrying a long rifle, opening the driver-side door and popping the trunk. The person then walked to the trunk and reached inside. At that point the driver who shot the video left quickly, fearing that the man might be getting more weapons.

The In-N-Out opened just about a week earlier, on July 24, as part of the company's recent expansion to Idaho.

Police said multiple people were taken to St. Luke's Magic Valley Medical Center. Hospital spokesperson Taylor Marschner said in a statement that it was  working closely with law enforcement and emergency responders as they manage the situation. 

Twin Falls, a city of about 56,000 people, is about 130 miles (205 kilometers) southeast of Boise and about 75 miles (120 kilometers) north of the Nevada border.