The former Chancellor, Lord Geoffrey Howe, has died aged 88 after a suspected heart attack.
His family said he died on Friday night.
The Prime Minister, David Cameron, has paid tribute, calling him a "kind, gentle and deeply thoughtful man."
"George Osborne and I benefited greatly from his wisdom and determination to improve the state of the country. The Conservative family has lost one of its greats. Our thoughts are with his family."
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