Flash flooding on Australia’s southeast coast has killed two people and cut off towns, isolating tens of thousands of residents, as officials warned more downpours were expected over the next 24 hours.

Major flooding hit several rural towns in the Hunter and Mid North Coast regions of New South Wales, Australia's most populous state, with most of the Mid North Coast region facing further heavy rainfall through Thursday.

Record rainfall on Australia's east coast has led to catastrophic flooding, with three dead and one missing. Over 500 people have been rescued, and more rain is expected. Regions like New South Wales have been severely impacted,

Record floodwaters on Australia's east coast left three people dead and one missing, officials said Thursday, as more heavy rain was forecast in the region.

Three people have been killed due to the flooding. Near Taree, more than 300 km north of Sydney, the body of a 63-year-old man was found in a flooded home. A second body, believed to be that of a missing man in his 30s, was discovered in floodwaters on the Mid North Coast.

A slow-moving coastal trough has dumped about four months of rain over the past two days, cutting off entire towns and stranding residents on roofs and the second floors of their homes, as rescuers struggle to access the area by boat or air.

A natural disaster has been declared in Australia after unprecedented floods in New South Wales. Police say there are "grave fears" for three others who are missing - including a 60-year-old woman and two men aged 25 and 49.

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