An 11-month-old baby is in critical condition following an alleged assault involving shaking by a relative, according to reports from multiple Australian outlets. The child is described as being in critical condition after the incident, which authorities treat as an allegation at this stage. The reports state that the baby was allegedly shaken by a family member, and the seriousness of the injury has prompted emergency attention. While details about the circumstances of the incident are limited across the summaries provided, all sources align on the same core facts: the age of the child, the alleged act of shaking, the relationship to the suspect being a relative, and the child’s critical condition. The situation is being handled through the appropriate criminal justice and medical processes, with the conduct still characterized as alleged rather than confirmed. Additional information such as investigation updates, charges, and police statements is not included in the provided source summaries.