China has no power to introduce a national security law for Hong Kong as such power is vested exclusively with the local legislature, according to veteran lawyer Martin Lee.The lifelong democracy advocate and founder of the Democracy Party, said China's proposed legislation of the controversial law, and its enforcement in the territory, would breach an international treaty under which a 50-year high degree of autonomy was promised to the former British colony restored to China in 1997."Within the 50 years of the effective period of the Basic Law, China's Constitution does not apply in Hong …READ FULL ARTICLE