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Whoever becomes the next Tory leader will face an immediate political test, with a by-election in Brecon and Radnorshire.
It was triggered after more than 10,000 people signed a petition to recall the Conservative MP Chris Davies, convicted of falsely claiming expenses for his constituency office earlier this year.
Mr Davies said he would be standing again, and hoped voters would forgive him, claiming he’s already won the backing of both Boris Johnson and Jeremy Hunt.
Jane Dodge reports.