Police fire tear gas as clashes return to Hong Kong Hong Kong police fire multiple rounds of tear gas as protesters take to the streets in the financial hub for the 12th straight weekend.\\nAn uneasy peace had descended this week but that was broken on Saturday as thousands of demonstrators -- many wearing hard hats and gas masks -- marched through the industrial Kwun Tong area, where they were blocked by dozens of officers with shields and batons outside a police station. IMAGES AND SOUNDBITES