Now 100 years ago Wales - and the world - was at war. Men from every line of work signed up to serve at the front, including several hundred from police forces in South Wales. In the Summer of 1918 one of them - Lieutenant Ernest Rollings - discovered a stash of German papers after his unit raided a German position. What happened next made him a celebrity in his own lifetime.
More top news
The saving will be made by reducing staffing, an internal document seen by ITV News reveals.
The Prison Service said that Russell Trent has been removed from his post after allegations were made against him.
Austin Ross set fire to two buildings. He was sentenced to six years in jail at Newport Crown Court.