A commemorative service to honour murdered prison officer David Black has been held at Maghaberry prison.
Mr Black, 52, was shot dead as he drove to work at the jail on November 1 last year.
Dissident republicans opened fire on the father-of-two as he approached the Lurgan slip road of the M1 motorway.
Justice minister David Ford and Prison Service director general Sue McAllister joined with prison staff, family members and friends of Mr Black on the first anniversary of his death.
Mr Ford said: “The service he gave in keeping our community safe was in stark contrast to those who perpetrated the heinous attack on him.
“His loss is deeply felt by the Prison Service family but nowhere is his loss more profoundly felt than by his grieving wife Yvonne, daughter Kyra, son Kyle and the wider Black family.”
He added: “Today we shared their pain, offered them our support and prayed with them in what was a dignified and fitting service to remember a loving husband and father and a prison officer who was held in the highest esteem by colleagues and inmates.”
Governor of Maghaberry Pat Maguire paid his own tribute to the murdered officer.
He said: “I was privileged to know and work with David. He is sadly missed by all his colleagues at Maghaberry and it is right and proper that he and his family remain in our thoughts.”
Police have issued a fresh appeal for information about the murder.
They are particularly interested in the movements of a blue Toyota Camry car used in the attack.
A £10,000 reward for information leading to conviction has been offered by the Crimestoppers charity.