NATO Summit in Newport, Wales – Wednesday, Sept. 4

U.S. President Barack Obama, third from left, and British Prime Minister David Cameron, fourth from left, listen to NATO Secretary General Anders Fogh Rasmussen, third from right, as they participate in NATO Summit Session One, on Afghanistan and the Isla

French President Francois Hollande, Ukraine President Petro Poroshenko, U.S. President Barack Obama, British Prime Minister David Cameron, German Chancellor Angela Merkel and Italian Prime Minister Matteo Renzi meet on the situation in Ukraine.

NATO Secretary-General Anders Fogh Rasmussen speaks to the media at the Celtic Manor resort, near Newport, in Wales, Sept. 4, 2014.

Military personnel wait outside as leaders from the U.S., France, Italy, Germany, the United Kingdom and Ukraine participate in a meeting on the situation in Ukraine at the NATO Summit at the Celtic Manor Resort in Newport, Wales, Sept. 4, 2014.

Zimbabwe president Robert Mugabe delivers a speech during the opening ceremony of the 26 ordinary of the African Union Summit in Ethiopian capital Addis Ababa, Saturday, Jan. 30, 2016.

A crowd waits outside the Mount Pleasant Primary School, where U.S. President Barack Obama and British Prime Minister David Cameron visit with school children. Newport, Wales, Sept. 4, 2014.

An armed police officer stands in the grounds of the Celtic Manor resort, near Newport, in Wales Sept. 4, 2014.

Flowers and a message placed at the cenotaph in Newport, Wales Sept. 4, 2014.

A soldier carries a case as the sun rises over the golf course at the Celtic Manor resort, near Newport, in Wales, Sept. 4, 2014.