A 13-year-old boy has been hailed a hero by netizens all over the world after he swam around four kilometres (approximately 2.5 miles) to get help for his stranded mother and siblings.
Austin Appleby was on holiday in Quindalup, Western Australia, and enjoying a day in the water with his mother Joanne, 47, and siblings Beau, 12, and Grace, 8.





