Spokesman calls on U.S. to translate commitment into actionIAEA chief meets Putin over nuclear safetyChina's envoy calls for collective action on nuclear disarmamentXi inspects Changsha in central China's Hunan ProvinceChinese FM denounces 'freedom of speech' in U.S.China slams India's tunnel inauguration in border areaWang Yi: PalestineXi emphasizes no letup in drive to combat air pollutionMinister pledges to improve security of State benefitsWang's NZ visit comes at pivotal time in relations, analysts say