(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.