(BBC) An inmate suspected of attacking a prison officer is understood to be in jail for “preparing an act of terrorism.” Brusthom Ziamani was found guilty in 2015 of planning to behead a soldier.
A union says the officer, who was seriously injured, was attacked from behind by two inmates.
So who are the people in prison for terror offences?
How many people are in prison for terror offences?
The majority are Islamist extremists, although their numbers fell to 173 last year — down from 187 in 2017.
There has been a rise in the number of far-right extremists jailed, with an increase from six to 38 over the past five years.
