U.S. President Donald Trump and British Prime Minister Boris Johnson hold a meeting at U.N. Headquarters in New York on Sept. 24, on the sidelines of the United Nations General Assembly.
Britain's then-foreign secretary Boris Johnson, NATO Secretary General Jens Stoltenberg, Britain's Prime Minister Theresa May, and U.S. President Donald Trump arrive for a working dinner meeting at the NATO summit at the NATO headquarters, in Brussels, on May 25, 2017.