Four incidents took place in Down, Antrim and Armagh
Police in the North are appealing for information after a series of incidents there.
The PSNI is appealing for witnesses following a serious assault in the Scarva Walk area of Banbridge in Co Down at around 4.00pm on Friday.
A man aged in his 40s was treated in hospital for head and facial injuries.
A man in is 20 was arrested at the scene and treated in hospital for injuries to his hand.
Another man, aged 22, was also arrested. Both men are assisting police with their inquiries.
Separately, police responded to a report of a paramilitary-style assault and arson attack in Co Antrim.
It happened in the Argyll View area of Larne in the early hours Saturday morning.
Police received a report of a car on fire at a property at around 12.40am.
They discovered one vehicle on fire and two others had damage to their windows. One vehicle was completely gutted by the fire.
A man in a house had sustained serious injuries as a result of an attack by a group of males.
He has been taken to hospital for treatment to his injuries, which are not life-threatening.
Police have described the attack as "brutal and horrific". A number of residents were evacuated from their homes during the incident.
Separately, detectives are appealing for information following a paramilitary style-shooting in the Henry Place area of Belfast.
At around 1.30am, a 30-year-old man was walking along Henry Place when he was attacked by two men and shot once in both legs.
He was taken to hospital for treatment to his injuries. Police say while these injuries are not life threatening, it was a "brutal and horrific" attack.
While a separate shooting incident happened at a business premises in the Annvale Road area of Keady in Co Armagh.
Police received a report on Friday evening that a car, with two males, entered the grounds of the premises.
One of them got out and discharged two shots.
No one was injured, but employees of the business were left very badly shaken.
A car, believed to be the vehicle used, was found completely burnt out afterwards.