China responded sternly to the landslide in the vote widely seen as a referendum on public support for the anti-government movement. Foreign Minister Wang Yi said that no matter how the situation in Hong Kong changes, the semiautonomous region is part of China.

"Any attempt to disrupt Hong Kong and damage [its] stability and prosperity will not succeed," he told reporters in Japan, where he was attending a G-20 foreign ministers meeting.

Ministry spokesperson Geng Shuang added Monday that Hong Kong's most urgent task is to restore order as protesters continue to clash with police....