One person is in a critical condition following a stabbing in Co Down on Christmas Eve.
They were one of two people injured in an incident at Chippendale Avenue, Bangor.
At around 3.30pm yesterday afternoon, a man armed with a hammer and a knife entered a residential property and assaulted a woman in her 50s and a man in his 20s.
Police said both had been taken to hospital.
The assailant fled the scene on foot, still armed, according to the PSNI.
"An investigation is underway, and efforts are being made to locate the suspect, who is described as being approximately 5ft 10 ins in height, with short, dark hair, and wearing a blue hoodie, a grey coat, a dark coloured t-shirt, blue jeans, and dark trainers with white soles," a spokesman said.
The PSNI say enquiries are ongoing and appealed for anyone with information, or CCTV or other footage, to contact police.
In a separate incident in Banbridge, Co Down a man was injured when he was attacked outside a hotel.
A police spokesperson said: "We received a report at around 8.30pm on Tuesday 23 December that a man had been attacked by a number of males outside a hotel.
"It was reported that one of the suspects exited a vehicle at the front of the hotel and threw a liquid in the victim's face.
"The injured man attempted to run away but fell and was then slashed multiple times across his back before the males got into the vehicle and drove off.
"Officers attended along with colleagues from the Northern Ireland Ambulance Service and the man was subsequently taken to hospital for treatment to his injuries.
"The males involved in the attack had their faces covered and it is believed they were driving a black Toyota Avensis.
"Our enquiries are ongoing and we would appeal to anyone who was in the area on Tuesday evening around the time of 8pm and 8.30pm and saw anything suspicious to contact us."
Detectives are also appealing for anyone with relevant dash cam or other footage to make it available.
