Shadow Cabinet Office minister Jon Ashworth has said Tory MP Tim Yeo's deselection is another sign that "under David Cameron the Conservative Party is reverting to type".
Mr Yeo, who was recently reinstated as chairman of the Commons Energy Committee after being cleared of lobbying allegations, is said to be "considering his options" following the decision by the South Suffolk Conservative association.
Mr Ashworth said: "Just this week one Tory with modernising credentials has been deselected and another has quit, and David Cameron is trying to water down a green levy he introduced and even boasted about.
"It's more evidence of the death of Tory modernisation", he added.
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