A new mother has gone missing from hospital with her three-day-old baby.
Brooke Altinay was last seen with her newborn son at a hospital in Clayton on Monday.
Police hold concerns for their safety.
They believe Ms Altinay may have left the hospital in her older-model white Holden Commodore.
Police have released a photo of Ms Altinay in the hope the public may help locate the pair.
The 26-year-old is described as 160 centimetres tall, with a thin build, long blonde hair and a fair complexion.
She is known to regularly visit Endeavour Hills and Noble Park.
Anyone with any information can contact Endeavour Hills Police Station on 9709 7666.