Emergency services responded to a near-drowning at Melton Waves Leisure centre on the Labour Day public holiday at about 1.30pm.
Police and paramedics have confirmed a boy was pulled unresponsive from the water before being taken to the Royal Children’s Hospital (RCH) in a serious condition.
RCH has confirmed the child is now in a stable condition.
Anyone who witnessed the incident or has information is urged to contact Crime Stoppers on 1800 333 000 or www.crimestoppersvic.com.au.