Central government authorities support and welcome passage of Article 23 legislation in Hong KongChina firmly opposes Taiwan politician's official contacts with Czech: Chinese FMMinistry: U.S. practice disrupts normal business activitiesIAEA chief meets Putin over nuclear safetyChina conducts inCentral government authorities support and welcome passage of Article 23 legislation in Hong KongChina calls for highXi congratulates Putin on reelection as Russian presidentTop adviser reaffirms opposition to 'Taiwan independence'China, Angola elevate bilateral ties