OSLO, June 15, 2016 (Xinhua) -- U.S. Secretary of State John Kerry (L) talks during a joint press conference with Norway's Prime Minister Erna Solberg, in Oslo, Norway, June 15, 2016. John Kerry met with Iranian Foreign Minister Mohammad-Javad Zarif here on Wednesday morning to discuss the nuclear deal, dubbed the Joint Comprehensive Plan of Action (JCPOA), as well as the Syria issue. "With respect to the JCPOA, the United States of America has done absolutely everything that we were and are required to do according to the letter of the agreement," Kerry said here later on Wednesday. (Xinhua/Liang Youchang)