(Portland, OR)  --  Police say a woman was sexually assaulted in a parking lot near her apartment in Southwest Portland.  The 37-year-old woman reported the attack Wednesday morning near the complex on Southwest Oleson Road.  The victim told investigators she pepper-sprayed the attacker and caused him to flee.  The man is described as white, between 30 and 50-years-old, with a muscular build and short dark hair, and wearing a light-colored sweatshirt and shorts.