One of the first women ever to compete for Qatar in the Olymic Games, Noor Hussain Al-Malki, has dropped out of the 100m sprint with a hamstring injury.
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A decade ago there was a willingness to cut an up-and-coming China some slack. Now the size its economy is such that the US feels unsettled.
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Donald Trump's response to an investigation into Russian meddling in the 2016 election suffers a set back as his lawyer quits.