Leaders from 18 countries including the United States, China, India, Russia, Japan and Southeast Asia who gathered for the summit issued strong calls for action after a recent spate of attacks by Islamic State in Paris, Mali and Lebanon.

U.N. Secretary-General Ban Ki-moon urged Russia and the United States on Sunday to cooperate in rooting out terrorism and said he would unveil a comprehensive plan to fight extremism and violence early next year.

Read more: http://ca.reuters.com/article/topNews/idCAKCN0TB01P20151122?pageNumber=2&virtualBrandChannel=0