(Portland, OR)  --  Officials say ten people, including three children, have been displaced by a fire at an apartment building in Southeast Portland.  The blaze was reported around 2:30 this morning at the Hamilton Park apartments on Southeast 122nd Avenue.  Portland Fire & Rescue officials say the fire started in a second-floor apartment and spread to a second unit.  The Red Cross is assisting those having to find other places to sleep.  No injuries have been reported.