Homicide squad investigating disappearance of Cleo Smith, four, from family’s tent in Western Australia

Mother describes girl's disappearance as very unusual' as police continue air, land and sea search at Macleod

Western Australian police hold grave fears for a missing four-year-old girl on the state's northwest coast as detectives investigate the possibility she was abducted.

Cleo Smith was last seen by her parents about 1.30am on Saturday at the Blowholes campsite at Macleod, north of Carnarvon.