(Manzanita, OR) -- Several people are injured following a multi-vehicle crash Sunday morning on Highway 101 near Oswald West State Park. Oregon State Police say witnesses reported an Infiniti had been weaving for several miles before crossing into oncoming traffic and hitting an RV. The RV then hit three other vehicles. Three people were hospitalized. Police say the driver of the Infiniti admitted to drinking alcohol and using cocaine before getting behind the wheel.