A man is being questioned by police this morning over a fatal shooting in Newry, Co Down, yesterday.
Jonathan Graham (20), from the Ardcarne area of the city, was shot dead as he parked his car some time between midnight and 1am yesterday.
The PSNI said one line of inquiry is linking the murder with two other shootings in the area around the same time, and a third in Ballyholland outside Newry last weekend.
Mr Graham's killer shot him as, or shortly after, he parked his blue Peugeot 205 outside where he lived with his parents and sisters.
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After he was taken to nearby Daisy Hill hospital, the victim was transferred to the Royal Victoria Hospital in Belfast were he died a short time later.