Sydney, July 2 -- A man has been hospitalised with critical injuries and hundreds of properties have been flooded amid heavy rain and destructive winds on Australia's east coast.

A severe storm system crossed the coast yesterday, triggering widespread emergency warnings in the state of New South Wales (NSW), and intensified overnight as trees were brought down and buildings damaged.

NSW Police said today that a 55-year-old male has been hospitalized in a critical condition after a tree fell and crushed the driver's cabin of his semi-trailer truck in the town of Moss Vale, 105 km southwest of Sydney, at about 10:30 p.m. yesterday.

Officers attended the scene and extracted the unconscious man from the vehicle. He was treated at the scen...