“This morning's murder of a prison officer on his way to work is sickening and despicable.
“My thoughts and prayers are with the deceased man's family and colleagues.
“Prison officers do a remarkable job in very difficult circumstances. An attack on any one of them is an attack on the criminal justice system, the law and the community.
“People right across Northern Ireland will be outraged at the actions of terrorists who seek only to hurt and destroy peace and progress. They will not succeed.”<div>