A 46-year-old man has been arrested after four people were stabbed in the Queen’s Park area of Saintfield, County Down.
Police said that at about 03:40 GMT on Sunday, a man attacked several people at a house with a knife, causing injuries to three men and a woman.
Police said the victims were taken to hospital for treatment to their injuries.
They said the woman is in “a serious but stable condition”.
A police cordon remains in place at a semi-detached house in the estate.
Forensics officers are examining the area.