Berezovsky emigrated to the UK in 2000 after falling out with President Vladimir Putin.
In fear of his life, he sought political asylum and moved to the South East of England, buying upmarket properties in Knightsbridge and Berkshire.
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TV presenter Keith Chegwin has died aged 60 following a "long-term battle with a progressive lung condition", his family said.
Holly has the latest forecast for the west of the region.
Holly has the latest forecast for the east of the region.