Christine Ohuruogu won the 400m at the London Grand Prix as rain poured down at Crystal Palace.
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British Bankers' Association head Anthony Browne warned that some banks could be moving abroad within weeks due to Brexit uncertainty.
A man said to be armed with dangerous articles remains inside an address in west London.
Police have begun a murder investigation following the stabbing of a 28-year-old in Shepherd's Bush,west London.