(Vancouver, WA) -- Vancouver Police say alcohol was a factor in a fatal collision on the Columbia River Sunday night. Police say 29-year-old Stephen Lubeck was riding a jet ski in the west waterfront area when he collided with a 39-year-old woman riding her jet ski. The woman died. Lubeck was arrested and charged with vehicular homicide and operating a vessel while under the influence. The victim's name hasn't been released.