(Gresham, OR)  --  Gresham police say a suspect is in custody following a fire that damaged an apartment building and displaced two families.  Authorities allege that 25-year-old Arsenio Lee Jumping Bull broke into an apartment on West Powell Boulevard and set it on fire.  Police say the suspect appeared to be suffering a "psychotic episode" at the time.  Jumping Bull was treated for smoke inhalation, but no one else was injured in the blaze.