From shocking deaths to more wee donkeys : what we want from the return of Line of Duty

Jed Mercurio’s police drama is getting a comeback – which gives it the chance to be TV’s greatest cop show once more. Here’s what it needs to do Mother of God, fella, they’re back at last. In a rare piece of good news for the beleaguered BBC, blockbuster drama Line of Duty is to return for a (…)