All eyes in southern parts of the US are on the sky as Tropical Storm Hilary rolls in.
It\u2019s no longer a hurricane, but it's still set to bring significant rain and flooding risks to desert parts of the south-western United States and western Mexico.
Forecasters are describing the potential flooding as catastrophic and life-threatening.
US Correspondent Richard Arnold told Mike Hosking that residents have been laying down sandbags already.
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