Teen swims 4km, two without a life jacket, to sound alarm which led to the discovery of his family

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A 13-year-old boy saved his mother and two younger siblings on Friday evening, swimming four hours in fading light and rough conditions, after they were swept out to sea in South West Western Australia.

The family were holidaying in Quindalup, 250km south of Perth, when strong winds pushed their inflatable paddleboards and kayak offshore from Geographe Bay.