The family of a four-year-old girl say they're 'whole again' - after she was found alive and well 18 days after going missing.Cleo Smith disappeared on a family holiday in western Australia.Police say they were holding back tears when they found her locked in a room, but safe.Prime Minister Scott Morrison says he's 'so thankful':
"This is every parent's worst nightmare and the fact that that nightmare has come to an end and our worst fears were not realised, is just a huge relief."
