Match Of The Day presenter Gary Lineker has been asked to step back from his hosting duties on the BBC show after becoming embroiled in a row over impartiality.However, a former BBC executive said there is "a lot of confusion" over whether the corporation's guidelines should apply to Lineker - who works as a freelance broadcaster.Here the PA news agency takes a look at the BBC's rules on impartiality.

Match Of The Day presenter Gary Lineker has been asked to step back from his hosting duties on the BBC show after becoming embroiled in a row over impartiality.However, a former BBC executive said there is "a lot of confusion" over whether the corporation's guidelines should apply to Lineker - who works as a freelance broadcaster.Here the PA news agency takes a look at the BBC's rules on impartiality.