BBC chairman asks for conflict of interest review

Richard Sharp says the BBC board will review any potential conflicts of interest he may have amid scrutiny over his links with Boris Johnson.
Claims have emerged that the BBC chairman was involved in securing a loan of up to £800,000 for the then-PM.
Mr Sharp said he had not been involved in making a loan, a guarantee or arranging any financing.
In a statement, he apologised to staff, calling the row "a distraction for the organisation, which I regret".
He said he had never hidden his longstanding relationship with...