The RUC are investigating four overnight shooting incidents.
Two men in the Harmony Ridge area of Belfast received gunshot wounds in a shooting incident in the city after 10 p.m.
A 33-year-old man in Woodvale Park, North Belfast, was shot in the legs.
A man in Ballyclare, Co Antrim, received two flesh wounds in his legs at 1.30 a.m. The RUC are not aware of motives for the attacks as yet.