Police in Melbourne are searching parts of the Yarra River for an autistic boy, aged three, who has been missing from his home since early Friday morning.
There has been no sign of Christian Peck, aged three, since then.
The area around the Vine Street house at Heidelberg was also searched on Friday, as well as the Yarra River and a nearby creek.
The ABC reports the boy was last seen about 2am on Friday and it is believed he may have left the house through a window.
Police say he has a fascination with water. They and the State Emergency Service are searching the Yarra River between Stills Bend near the house and Yarra Bend.
The boy was last seen wearing blue pyjamas.