BBC director general Tim Davie has said "no-one is irreplaceable", following a series of high-profile scandals at the corporation over the summer.
Davie and BBC chair Samir Shah are facing questions from the Culture, Media and Sport Committee on a wide range of issues, including culture at the BBC, its Glastonbury coverage, its Gaza documentary and the MasterChef crisis.
Shah told MPs that he was determined to "stamp out" bad behaviour, adding: "It doesn't matter how grand you are, how famous you are, how important you are. If you behave badly and abuse your power, we don't want you working for the BBC."
Asked by MPs to guarantee there would not be another "scandal of BBC talent abusing their position", Davie replied: "I don't think you can change culture in six months and suddenly say nothing's going to occur... we may see more things coming out."
Davie added he was "not letting anything lie" when it came to rooting out abuses of power within the corporation.
