JILL GRALOW and RENJU JOSE AUSTRALIA is to evacuate thousands more people from suburbs in Sydney's west, battered by the worst flooding in 60 years, with torrential rains expected to continue for another day or two. Reuters images showed submerged intersections, marooned livestock and cars up to their windshields in water, out of which poked the tops of street signs, as three days of rain swelled rivers in the most populous state of New South Wales (NSW). "This is an ongoing situation that is evolving and is extremely dangerous," Prime Minister Scott Morrison told parliament. Two major insurers said most…