A BBC radio presenter vented his anger on air after losing his slot on a mid-Morning show because he is engaged to a Conservative MP standing for re-election. John Darvall proposed to Bristol North West MP Charlotte Leslie on Christmas Day, two months after the pair began dating having first met on his show four years ago, the Bath Chronicle reports.Having kept the decision quiet, the twice-divorced presenter revealed his anger during a phone in regarding the BBC’s decision to fire controversial presenter Jeremy Clarkson.