(Battle Ground, WA)  --  Police say three people walking along Lucia Falls Road in rural Clark County were injured when they were hit by a car Sunday afternoon.  The Clark County Sheriff's Office says the driver of a Chevrolet Blazer went off the road and hit the pedestrians.  Several drivers stopped to provide medical help until first responders arrived.  Impairment wasn't a factor in the crash.  Two people were hospitalized in critical condition.