Kwasi Kwarteng grilled by Kuenssberg over tax cuts
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Mr Kwarteng also reportedly gave guests insights into forthcoming Government spending cuts during the event at the Chelsea home of Andrew Law, a financier and Conservative Party donor. The revelation will raise questions about the Chancellor's political judgement and that discussions at the party may have influenced his announcement that even bigger tax cuts are to come.
This is despite the markets highly negative reaction to Mr Kwarteng's initial plan.
On Sunday he declared there was "more to come" in an interview which saw officials at Number 10 blamed for the further fall of the pound on Monday morning.
In his mini budget the former Etonian gave £45 billion tax cuts to the highest earners as the pound crashed to its lowest level since 1985, arguably benefiting many guests at the drinks event.
After Friday's soiree at least two prominent hedge fund bosses told City associates that Mr Kwarteng was “a useful idiot”.
Kwasi Kwarteng outside 11 Downing Street last week (Image: Getty Images )
Andrew Law (C) with the then Duchess of Cornwall in 2020 (Image: Getty Images )
According to a senior Tory who advises business leaders, the phrase was in widespread circulation.
Mr Law is worth about £750 million and has donated £3.6 million to the Conservative Party since 2004.
He has admitted that he has benefited from the decline of the value of the pound.
The financier invited around 30 people to his home for the drinks reception.
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Jake Berry with Liz Truss on a visit to Leeds in June (Image: Getty Images )
Sir Henry Angest (C) attending a function in London in 2015 (Image: Getty Images )
They included he stockbroker Howard Shore; the Swiss-born London banker Sir Henry Angest; Lord Leigh of Hurley, a corporate financier; Selva Pankaj, a merchant banker and investor; and Jake Berry, the Conservative Party chairman.
Other attendees included William Salomon, a senior partner at Hansa Capital, and Andrew Dawber, director of Civitas Investment Management.
Representatives from the property, hospitality, healthcare and education sectors were also present.
Guests drunk wine, champagne and cocktails as they congratulated Mr Kwarteng on his mini budget.
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Kwasi Kwarteng on a visit to Berkeley Modular last month (Image: Getty Images )
Once source told The Times that the atmosphere was “very, very positive”.
Another said that Mr Kwarteng was told to “double down” an approach that would mean some of the attendees would make enormous profits.
A third source added that the Chancellor was determined to see his reforms through.
They said: "“He was high on adrenaline.
"His big thing was: ‘Look, we’re not going to do stuff incrementally.
"We really believe in this stuff and that’s what we’re going to do."