An 11-month-old baby in Perth remains in critical condition after police say the child suffered serious head injuries in an alleged assault. Reports state the infant is being treated at Perth’s Children Hospital. Police arrest and charge details accompany the incident, with one man being arrested and charged by authorities following the allegations. The child is described as fighting for its life, with the injuries characterized as critical. The allegation is that the baby was “shaken so hard,” resulting in the head injuries. The matter is being handled through the police and court process, with the charged individual facing criminal charges relating to the incident. Medical care is ongoing at the hospital, and the baby’s condition is reported as serious. Both outlets attribute responsibility to the alleged act and focus on the child’s condition and the fact that a suspect has been arrested and charged. No additional details about the circumstances of the incident, the charges’ wording, or the suspect’s identity are provided in the supplied accounts.