The Sunday Times claims the Energy Select Committee Chairman Tim Yeo admitted in secret filming that he coached a paying client on how to influence his committee.
This footage was secretly filmed by reporters working for the Sunday Times:
(This footage has been removed because of legal restrictions.)
Mr Yeo vigorously denies any wrongdoing and says he now plans to refer himself to the Parliamentary Standards Committee.
More top news
Sir Bernard Hogan-Howe said a judge-led review into how the Met Police handled allegations of past sex abuse is "the right thing to do".
After his son took his own life, grieving father Dick Moore began campaigning for mental health awareness. Here, he shares his advice.
The 13-year-old died in hospital after being hit in the back of the head by a bullet when his cousin fell of a hoverboard.