Police this morning arrested a second man on suspicion of murdering a 20-year-old man in Bartholomew Court, off Old Street, on New Year’s Day.

Officers arrested an 18-year-old in Hackney. He is currently being questioned in custody.

It follows the arrest of a 19-year-old man on the evening of New Year’s Day on suspicion of murder. He remains in custody,

The victim, who has not been named, was stabbed to death at a flat party at about 2.45am.

A second 20-year-old victim, also stabbed during the incident, was taken to hospital, where he remains in a critical but stable condition.

Enquiries are ongoing. Anyone with information is asked to call 020 8345 3865, or Crimestoppers anonymously on 0800 555 111.