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Free to read: Should the energy-intensive method of bitcoin mining be banned? A top EU financial regulator has warned that the way cryptocurrencies are mined posed a risk to meeting climate change goals in the Paris agreement and sounded the alarm over the rising proportion of renewable energy devoted to crypto mining.

KPMG has been fined £3m by the UK accounting regulator for audit failings at collapsed alcohol retailer Conviviality. The penalty is the second set of sanctions against the accountancy firm in as many days.

UK prime minister Boris Johnson apologised again for attending Downing Street parties during lockdown but has said he will not resign, as MPs claimed they were close to triggering a no-confidence vote.

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