Sydney, May 19 -- Eight people have been rescued from floodwaters in the Australian state of New South Wales amid heavy rainfall.

The Bureau of Meteorology (BoM) on Monday morning issued a severe weather warning for parts of five NSW regions over 100 km north of Sydney.

It warned of heavy rainfall of up to 180 millimeters (mm) over the next 24 hours that could lead to flash flooding north of Sydney. The small town of Wyee, 80 km north of Sydney, received 120 mm of rain in the 24 hours to Monday morning.

The State Emergency Service (SES) said that it responded to 346 calls for assistance across NSW on Sunday, 272 of which were in the state's north, and rescued eight people from vehicles that became stuck in floodwaters.

All eight inc...