America's new Secretary of State John Kerry will hold talks with the Prime Minister and Foreign Secretary William Hague on the first stop in an 11-day world tour.
The conflict in Syria, nuclear stand-off with Iran and Middle East peace process are expected to be high on the agenda.
But the Falklands is also likely to come up - with Washington under pressure to recognise the result of a referendum next month on whether the islanders want to remain British.
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The 9-year-old girl was riding her bike along a path running between Lancaster Road and Challenge Way on August 22.
Opponents of Enrique Pena Nieto say Mr Trump should not be welcomed into a country whose citizens he branded as rapists and criminals.
Not the full blown blue skies many of us saw yesterday as more cloud takes over for a while.