Call me a cynic, but when Andy Burnham started fumbling so badly over the early release of PC Andrew Harper's killers, I suspected it was political theatre.

Call me a cynic, but when Andy Burnham started fumbling so badly over the early release of PC Andrew Harper's killers, I suspected it was political theatre.

The prime minister says he's determined to work out a way to stop PC Andrew Harper's killers being freed early from prison.