(Portland, OR)  --  Portland police are searching for a man who's accused of assaulting and abducting his girlfriend.  Thirty-two-year-old David Santiago Pompa is described as a Hispanic man, five-feet-four, 130 pounds with brown hair and brown eyes.  Police say Pompa, who's also known as Santiago Jose Pompa and James Joseph Sebastian, may be driving a dark green, 1997 Acura TL 4-door.  Officials say his girlfriend is now safe and being treated for injuries that aren't life-threatening.