Hong Kong's Hang Seng index fell on Tuesday after mining company BHP Billiton claimed Chinese demand was declining indicating economic slowdown. Hang Seng index tumbled 1.08% or 227.05 points and settled at 20,888.24. Resource stocks posted the biggest losses in Hong Kong: Jiangxi Copper slipped 2.4% and China Petroleum & Chemical lost 3.9%. Sun Hung Kai Properties shed 2.4% on news its CEO was arrested on accusation of bribery.