A journalist listens to a press briefing on the Security Council's programme of work for September by U.S. Ambassador to the United Nations Nikki Haley (on screen), whose country is taking over the presidency of the Security Council for September, at the UN headquarters in New York, Sept. 4, 2018. The UN Security Council will discuss the situation in Idlib, the last major rebel stronghold in Syria, on Friday, said Nikki Haley. (Xinhua/Li Muzi)