Communities Secretary Eric Pickles told ITV News that "there would be a process" in investigating claims that the Energy Select Committee Chairman Tim Yeo coached a paying client on how to influence his committee.
Mr Pickles said: "We have a process of dealing with allegations of this process, and normally we wait until that has been concluded".
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Energy companies are under fire this lunchtime after official figures indicate they are increasing their pre-tax profit margins.
The Deputy Prime Minister said disabled children's access to education should not be means-tested, even if the parent's do earn millions.
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