Authorities say an 18-month-old boy has died after being attacked by the family's dog in south Phoenix.
Phoenix Fire Department officials say the baby was attacked about 1 p.m. Friday for an unknown reason.
The child was taken to a pediatric trauma hospital in extremely critical condition and later died.
Fire officials say the rottweiler belongs to the child's father.
The dog reportedly has been the family's pet for the past three years.
