MEMPHIS, Tenn. (AP) -- Memphis Police are investigating the death of a 4-year-old boy.
The boy's father told police his son was playing in the family's yard on Sept. 4 when he saw another child strike the boy in the head with a stick.
Police said an ambulance was called later that night and the boy was taken to LeBonheur Children's Hospital. He died there on Tuesday. His name was not immediately released.
Police are asking for tips.