Police have arrested a woman and three men over an attempt to murder a prison officer.
The PSNI made the announcement shortly after 9pm on Sunday.
The attack had happened on Friday morning, and left the victim needing surgery. However, the veteran prison officer survived.
The men arrested are 34, 41 and 45, and the woman is aged 34.
They were held in the Belfast area, said police, and are now being questioned at an undisclosed PSNI station in the city.