Chancellor George Osborne says the UK is at a "critical moment", with the economy facing the dual threat of a slowing eurozone and instability in global markets.
He claimed failing to follow through with the Government's economic policies would see a return to the "chaos and instability of the past".
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The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.