(Portland, OR)  --  A certified nursing assistant who was accused last week of raping an elderly patient at Providence St. Vincent Medical Center is now believed to have assaulted six other victims.  Police say 34-year-old Adeladilew Mekonen is slated to appear in court today to face multiple charges.  Police say Mekonen was arrested last week for reportedly raping an 87-year-old woman, and investigators say the other six alleged victims range in age from 27 to 94.