President Xi Jinping will start a visit to the Middle East next week, marking his first official trip to the region since taking office, it was announced on Friday.
Iran and EU on Saturday announced the "implementation day" of the historic nuclear deal, marking the milestone of the Iranian nuclear crisis.
The Islamic State (IS) militant group killed as many as 280 people when its militants stormed a town in Syria's eastern province of Deir al-Zour on Saturday, pan-Arab al-Mayadeen TV reported.
Iran emerged from years of economic isolation when the UN nuclear watchdog ruled the Islamic Republic had curbed its nuclear programme under a deal with world powers.
Iranian Foreign Minister Mohammad Javad Zarif and US Secretary of State John Kerry on Saturday came together in Vienna to fix the final details for the implementation of comprehensive nuclear deal.
Iran freed on Saturday four Iranian-US citizens under a prisoner swap.
Sanctions imposed on Iran are expected to be lifted on Saturday after confirmation of Iran's fulfillment of commitments to denuclearization.
Iran has removed the core of its Arak heavy water reactor as the major step toward removal of international and Western sanctions against the country.
Iran released ten U.S. sailors on Wednesday after holding them overnight, bringing a swift end to an incident that had rattled nerves days ahead of the expected implementation of a landmark nuclear accord between Tehran and world powers.
The Chinese government issued on Wednesday a policy paper to review and summarize the development of China-Arab ties.
Iranian troops have seized two US Navy boats with 10 marines on board after the boats entered Iranian territorial waters in the Gulf.
Ten US sailors were detained on the Farsi island in the Gulf by Iran's military which seized two US Navy boats reportedly drifting into Iranian waters.