AlHijjah 7, 1432, Nov 3, 2011, SPA -- Hong Kong shares fell 2.49 per cent Thursday, their third decline in four days, as property prices dipped and worries rose over the deepening euro zone crisis, dpa reported. The blue-chip Hang Seng Index slipped 491.21 points to close at 19,242.5. Turnover was 78.3 billion Hong Kong dollars (10.07 billion US dollars). In addition to increasing fears of a Greek default, Hong Kong shares were also driven down by reports of falling property prices in the city of 7.1 million, were homes are among the world's most expensive. HSBC Holdings Plc fell 2.9 per cent while Sun Hung Kai Properties Ltd was down 3.3 per cent and Cheung Kong Holdings Ltd, another major property developer, was down 3.7 per cent.