U.S. President Donald Trump's wife, Melania Trump, raised the plight of children in Ukraine and Russia in a personal letter to Russian President Vladimir Putin, two White House officials said on Friday.

American officials quickly discovered a major snag in planning for the summit: summertime is peak tourist season in Alaska, and options both available and equipped to host the two world leaders were severely limited.

President Richard M. Nixon and Emperor Hirohito of Japan meet Sept. 26, 1971, in Anchorage, in the home of Gen. Robert George Ruegg, commander in chief of the Alaskan Command at Elmendorf Air Force Base. It was the first-ever meeting of a U.S. president and a Japanese monarch. (Anchorage Times photo)

The highly anticipated meeting between US President Donald Trump and his Russian counterpart Vladimir Putin in the US state of Alaska will take place in the city of Anchorage, the White House said on Tuesday.