By Kevin Buckland

TOKYO (Reuters) -Most Asian stock markets sank on Wednesday, catching up with the sell-off on Wall Street after Iran's ballistic missile strike on Israel provoked fears of a wider regional conflict, while crude oil pushed higher on the risk of supply disruptions.

Investors flocked to safer assets, keeping U.S. Treasury yields depressed in Asian time, while gold traded not far from an all-time high.

The safe-haven dollar traded close to its strongest in three weeks versus the euro. Macroeconomics also buoyed the dollar, with a resilient U.S. job market arguing for a smaller Federal Reserve interest-rate cut in November, and euro zone inflation trends backing a European Central Bank easing this month.

Japan's Nikkei slumped 2% as of 0444 GMT, while South Korea's KOSPI dropped 0.6%.
However, Hong Kong's Hang Seng soared 6% as Beijing's stimulus push continued to buoy sentiment.
That helped to lift MSCI's broadest index of Asia-Pacific shares 0.6%, despite broadly fragile investor sentiment.