The Prime Minister is said to have found a way to stop Jessie Cole and Albert Bowers, who were sentenced to 13 years for manslaughter, from being freed in January.

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…