Man critical after Liverpool city centre knife fight
A man is in a critical condition in hospital after a knife fight which left three others injured in Liverpool city centre.
The men were wounded in Victoria Street in the early hours of Monday, said police.
Detectives have released CCTV images of man who they said has "very important information" about the assaults.
A 22-year-old man from Fazakerley was arrested earlier on suspicion of assault and violent disorder.
Police said none of the other victims have life threatening injuries.
Two men arrested on suspicion of violent disorder on Monday have subsequently been bailed.