Complex sentence: During his tenure at the BBC, he was accused of assaulting a police officer; the charge was dropped after the intervention on his behalf, of the then controller of BBC Cymru/Wales, Geraint Talfan Davies.
Split into simpler sentences: During his tenure at the BBC, he was accused of assaulting a police officer. No charge resulted after the intervention on his behalf, of the then controller of BBC Cymru/Wales, Geraint Talfan Davies.