Paula Radcliffe and Mo Farah are amongst some of Britain's athletes who have congratulated Tokyo on its winning Olympic 2020 bid:
yay so happy 2020 is in Tokyo :D
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Very windy with gales possible
Strong performance from world number 100 meant Great Britain very nearly dominated day one of the competition.
As a promotion Black Friday is flawed. While it whips up demand and redistributes it the event doesn't obviously generate additional sales.