A man has been arrested in connection with the stabbing of a 25-year-old man in the North early today.
The incident happened in the O'Donaghue Park area of Bessbrook, in south Armagh, shortly before 4.30am.
The injured man was stabbed in the chest and is in a serious condition in hospital.
A PSNI spokeswoman said a motive for the attack is still being investigated. Police have appealed for any witnesses to contact them.