(Portland, OR)  --  A man is facing charges after allegedly driving into a crowd of protesters in southwest Portland.  The demonstrators were protesting the Grand Jury ruling that found officers were justified in shooting and killing 27-year-old Patrick Kimmons yesterday when the incident happened.  Police say 55-year-old Mark Dickerson drove his pickup truck into the crowd of protesters, striking at least one person.  That person did not require hospitalization.  Dickerson is facing charges of fourth-degree assault as well as reckless endangerment and reckless driving.