Authorities have released the audio of an emergency call made by a 13-year-old boy who swam for hours to save his family after they were swept out to sea. Austin Appelbee, his mother, brother and sister, from Perth, were on an inflatable kayak and paddleboards when they got into difficulty off the west coast of Western Australia. Mum Joanne Appelbee, 47, asked her son to swim around 4km (2.5miles) to shore - where he then ran 2km to find a phone he could use to call the emergency services. With Ms Appelbee's permission, the Western Australia Police Force has released...