On December 12, 2020 at 8:43 A.M., three Klamath Falls Police Department marked patrol vehicles and one Klamath County Fire District #1 fire engine were on highway 97 near Dan Obrien Way investigating a crash involving a Commercial Motor Vehicle (CMV) and an SUV. All vehicles were parked on the west side of the highway. At approximately 08:43 A.M., two other Commercial Motor Vehicles were traveling southbound passed the crash scene. The front CMV collided with one patrol car and struck the fire engine. The next CMV collided with all three patrol vehicles and struck the fire engine. The front CMV did not stop and continued traveling southbound. The second CMV remained on the scene of the crash. The first CMV has not been located.