A swimmer in the water at Port Beach has described the horror moment the alarm was raised about a nearby shark.

<p>A swimmer in the water at Port Beach has described the horror moment the alarm was raised about a nearby shark.</p>

If it's happening in Perth, you'll hear about it first on 6PR Breakfast with Millsy and Karl!

<p>If it's happening in Perth, you'll hear about it first on 6PR Breakfast with Millsy and Karl!</p>

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