The TV chief also admitted there had been a ‘struggle’ to achieve impartiality and that staff were ‘ mystified’ by the early years of Margaret Thatcher’s government.

But he claimed there was now ‘much less overt tribalism’ among the current crop of young journalists, and said in recent times the corporation was a ‘broader church’.

He claimed there was now an ‘honourable tradition of journalists from the right’ working for the corporation.