Two men are in serious conditions in hospital after being struck over the head with a wooden bat in assaults in two houses in north Belfast.
A 34-year-old man was assaulted in the Fairfax Court area shortly after 4am on Thursday.
Meanwhile, a 29-year-old man was also hit over the head in another nearby property.
Police say a 65-year-old woman also sustained a suspected broken wrist during the incident.
Five people have been arrested.
All five – two women aged 50 and 29 and three men aged 42, 24 and 22 – are assisting police with their enquiries.