A policeman was among four people who were stabbed during a series of attacks in west Belfast last night.
Two other men and a woman were also attacked in the incidents, which took place at about 10pm on Waterford Street.
A man has been arrested in connection with the stabbings.
During the incidents, two men and a woman both received stab wounds to their necks with the men both being taken to hospital. Their injuries are not believed to be life-threatening.
A policeman was also stabbed in the left arm during the incidents.
The PSNI has appealed for witnesses to come forward.
