An 18-year-old man who died following a "serious assault" at a property in Nottingham has been named by police.
Matthew Rothery was found at an address in Woodborough Road, Mapperley Park, at about 01:00 BST on Friday.
He was taken to the city's Queen's Medical Centre, but died shortly afterwards.
Nottinghamshire Police has launched a murder investigation and said detectives are continuing to follow up "several lines of inquiry".
Police previously said they believe the incident was "not a random attack".