The prime minister said losing the Chesham and Amersham byelection was 'certainly a disappointing result' but pointed to recent Conservative gains in other seats. In a result that exceeded even the expectations of Liberal Democrat activists, the party's candidate, Sarah Green, overturned a 16,000 Conservative majority to take the seat by just over 8,000 votes, a swing of 25%.

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Lib Dems can topple Tory ‘blue wall’ in south of England, says leader ► https://www.theguardian.com/politics/2021/jun/18/lib-dems-can-topple-tory-blue-wall-in-south-of-england-says-leader

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