A Fairfield man has been arrested for allegedly biting off his infant son's nose.

The call came in Thursday from the baby's 17-year-old mother.

Police say she was hysterical.

Apparently the event happened in front of her and other family members.

At the hospital, it was determined the 1-month-old suffered a skull fracture, a brain hemorrhage, and one third of the his nose had been severed off.

18-year-old Joshua Cooper was arrested.