Mo Farah had to be taken to hospital after collapsing at the finish line after the New York Half Marathon.
The double Olympic champion was well enough to appear at a press conference a few hours after the race, telling reporters: "I feel good. I just tried so hard in the race. It's not a big deal."
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On Monday afternoon, numerous Facebook posts claimed a silver Mini had been stolen from the town with a girl in it.
Top temperatures 10 Celsius (50F).
Britain and the European Commission reached agreement on a transition deal which will allow talks on the future trade relationship.