An autopsy was under way Thursday on the body of a Salt Lake baby who died Wednesday in Primary Children's Medical Center.

Police believe Efrain Ocampo, 7-month-old son of Efrain and Norma Ocampo, may have been abused. He was found unconscious Monday at the home of a baby sitter.The baby sitter took the infant to a clinic at 1525 W. 21st South after discovering he was stiff and having difficulty breathing, according to a police report.

The infant was transferred to Primary Children's Medical Center, where doctors determined the baby had suffered extensive brain damage and "retinal hemorrhaging, which indicates that (he) had been shaken violently," the report said.