One woman was shot and killed and two males shot and injured following an invasion of their Westmoreland home by gunmen on Sunday night.
The police have withheld the identity of the deceased.
Reports are that about 10:20 pm, the three were at home in Maismuir when they were pounced upon by armed men who sprayed them with bullets.
The three were hit and taken to hospital where the woman was pronounced dead.
The condition of the two admitted in hospital is not known.
The Little London police are investigating.