Marathon world record-holder Paula Radcliffe told ITV News that she was "excited" to return to the Olympic Stadium, as thousands gather to take part in the National Lottery Anniversary Run.
Radcliffe thanked the British public and Olympic committee for "continuing to support sports".
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The PM told leaders that EU citizens living in Britain for more than five years would be granted the same rights as full British citizens.
Outbreaks of rain across northwestern parts of the UK will move slowly southwards.
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