PORTLAND, Ore. (KOIN) – Oregon State Police are investigating a shooting involving Grants Pass police officers that occurred in Josephine County on Thursday around 8:52 a.m.

According to officials with OSP, officers found Dennis McGuire, 69, armed with a firearm after locating the victim, 63-year-old Robert Mills near the M Street Market at 1000 SE M Street.

Details of the shooting have yet to be released, though authorities say “the incident quickly escalated and culminated in an officer-involved shooting.”

Officials say Mills and McGuire were transported to a hospital with gunshot wounds. As of 5 p.m., the pair were in serious but stable condition.

The officers involved in the shooting have not been identified to the public, though OSP says none were injured at the scene.

Stay with KOIN 6 as this story develops.