Two men have been charged with the murder of 17-year-old Blake Newland in Limavady, County Londonderry.
Mr Newland was stabbed multiple times in Woodland Walk on Friday night.
The men, aged 27 and 29, are expected to appear before Ballymena Magistrates' Court on Tuesday.
Two 16-year-old boys have also been charged with grievous bodily harm with intent and will also appear in court on Tuesday.
A fifth man arrested in connection with the 17-year-old's death remains in police custody.