(Troutdale, OR) -- Two Multnomah County Sheriff's vehicles were damaged in a crash Saturday morning on I-84 westbound near Rooster Rock State Park. They were blocking a lane because of a crash involving a semi and a stopped car where one person was flown on LifeFlight to a hospital. A car rear-ended a patrol SUV, pushing it into another SUV. Witnesses say the driver was unresponsive before the crash. The driver was hospitalized. No deputies were injured.