Mark Fairhurst, chair of the Prison Officers' Association, said he was 'positive we could free up additional space' by bailing or tagging thousands of people arrested and awaiting trial.

PC Andrew Harper, a 28-year-old police officer, was killed in August 2019 after responding to reports of a stolen quad bike in Berkshire.

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…