(Hillsboro, OR)  --  Officials say there were no injuries resulting from a fire at an apartment building in Hillsboro.  About a dozen people fled the Aloha Park Apartments on Southwest 185th Avenue around 2:45 yesterday afternoon.  Investigators believe the blaze started with cigarettes that had been discarded near the building's stairwell.  Several people were checked for smoke inhalation, but refused treatment.