(Keizer, OR)  --  A Keizer mother is facing charges for the death of her four-year-old son in an apartment fire.  Police arrested 23-year-old Niya Breann on charges of second-degree manslaughter, criminally negligent homicide, endangering the welfare of a minor and second-degree child neglect.  Police say Breann escaped without injury during a fire at her unit at the Susan Court Apartments off of Northeast Susan and Northeast Candlewood Drive, but she left her son inside.  She's expected in court today for arraignment.