The denuclearization of the Korean peninsula dominated a summit on Tuesday held by China, South Korea and Japan, according to media reports. The three countries underlined that Korea's denuclearization was "possible only through peaceful means," Seoul-based Yonhap news agency reported. At a joint news conference with South Korea's President Moon Jae-in and the Japanese Premier Shinzo Abe, China's Prime Minister Li Keqiang said: "[We] had in-depth dialogue on the Korean ...