Authorities in Sydney are conducting a search for a young girl following the discovery of a drifting boat. A man was found dead on the vessel, which was reported adrift in the water. Reports indicate that a child, estimated to be six or seven years old, was seen on the boat with the man. Police are now actively searching for the missing girl. The circumstances surrounding the man's death and the child's disappearance remain under investigation. Emergency services are coordinating efforts to locate the missing child. Further details are expected as the search operation continues.