Chief Secretary to the Treasury Danny Alexander said the £25 billion investment from insurance companies into British infrastructure projects was a "massive vote of confidence".
Speaking at the construction site of National Grid's London Power Tunnels, Mr Alexander said the investment was "more evidence we are rebuilding Britain."
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The former presidential candidate, who has herself been the target of false news reports, said such stories had 'real-world consequences'.
London councils recorded the largest surpluses, with the capital's 33 local authorities accounting for 44% of the total figure.
Outbreaks of rain will move slowly from north to west but otherwise a mainly dry day ahead.