MEMPHIS, Tenn. (AP) — Authorities say two more children have died of their injuries in a house fire that had killed one other child and two women in Tennessee. Media reports say 13-year-old Christyon Johnson and his 12-year-old brother, Charles Johnson III, died at a Memphis hospital over the weekend. Authorities say their 43-year-old mother, Patrice Graham, 66-year-old grandmother, Patricia Baker, and their 4-year-old nephew, Travis Murrell Jr., also died in Thursday's fire.