HK chief vows to boost national security education, economyWorld reaction to the terror attack in MoscowChina firmly opposes its citizens being harassed when visiting the U.S.: spokespersonChina to take countermeasures if U.S. imposes visa restrictions on Hong Kong officials: spokespersonTaiwan an internal matter, China says after U.S.' admiral's claimXi calls for steps to energize central regionU.S. experiencing 'fullForum: Democracy takes many formsCPC leadership reviews disciplinary inspection reportFM: China marks new opportunities for Australia