COUNCIL BLUFFS, Iowa (AP) — Police have been investigating how a 5-month-old Council Bluffs girl suffered severe head injuries.

Authorities say officers and medics were sent to a Council Bluffs apartment around 1:20 a.m. Sunday to help the girl, who was having trouble breathing. She was taken to a local hospital and then was transferred to Children’s Hospital & Medical Center in Omaha.

Doctors say the girl suffered a skull fracture and had bleeding on the brain.