Police investigating the murder of a 20-year-old man in north London on New Year's Day have made a second arrest.
An 18-year-old man was arrested on Thursday morning in Hackney on suspicion of his murder.
It follows police arresting a 19-year-old man in connection with the murder, who remains in custody.
The victim was stabbed at a flat in Bartholomew Court, Islington on New Year's Day.
A second 20-year-old victim stabbed during the incident remains in hospital in a critical but stable condition.