The number of refugees fleeing Syria for camps in Iraq and Jordan is "astonishing", children's charity UNICEF has said to Daybreak.
Jon Sparkes, who recently returned from the Iraq camp, described problems with fresh water, sanitation and the legacy of "a generation" of displaced children.
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The US first lady travelled without her husband to support the Invictus Games, which were founded by the Prince in 2014.
The Pentagon sent a group of military planes just off the state's coast in a show of force.
Iran says it has successfully tested a new medium-range missile, bringing condemnation from Foreign Secretary Boris Johnson..