The Prime Minister is said to have been examining whether to exempt people who kill emergency service personnel from a controversial scheme to free up space in massively overcrowded prisons.

Andy Burnham is under mounting pressure to stop the early prison release of PC Andrew Harper’s killers after more than 645,000 people signed a petition calling for him to do so.

Prime Minister Andy Burnham is reportedly prepared to "explore every option" to block the early release of PC Andrew Harper's killers Jessie Cole and Albert Bowers