Iran's president says his nation will not be intimidated by threats as Trump accuses Tehran of carrying out proxy wars.
President Donald Trump was welcomed at Lusail Palace for a dinner hosted by Emir Sheikh Tamim bin Hamad Al Thani.
UN peacekeepers says incident first of its kind since Israel and Hezbollah agreed to a ceasefire last November.
Qatari prime minister adds that the UN should be allowed to resume aid distribution inside Gaza.