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".
More top news
Author Stephen Fry has said he regrets his 'pathetic' 15-year addiction to cocaine after writing about it in his new autobiography.
The ex-mother-in-law of a suspect sought over the murder of West London teenager Alice Gross has spoken to ITV News.
How is Sainsbury's positioned to tackle the challenges of low-cost rivals and changing shopping habits?