Chinese leaders endorsed a sweeping overhaul of Hong Kong's electoral system Tuesday, slashing its number of directly elected seats and ensuring a majority of the city's lawmakers will be vetted and selected by reliably pro-Beijing committees. "The amendments were unanimously passed by 167 members of the Standing Committee of the National People's Congress," Tam Yiu-chung, Hong Kong's sole delegate on China's rubber-stamp parliament, told AFP. su/jta/jah