Highlights of general debate of UN General Assembly

U.S. President Donald Trump speaks during the general debate of the 72nd session of the United Nations General Assembly, at the UN headquarters in New York, Sept. 19, 2017. (Xinhua/Li Muzi)

U.S. President Donald Trump on Tuesday strongly pressured the Democratic People's Republic of Korea (DPRK) to give up its nuclear weapons and criticized a landmark Iran nuclear deal in his first speech at the United Nations (UN) General Assembly.

In his maiden show, Trump also criticized Islamic extremists.