text: The 28-year-old man from Brighton was taken to hospital in a critical condition after being found in North Street at 07:10 GMT on Saturday.
  A 28-year-old man of no fixed address and a 43-year-old woman from Brighton were arrested on suspicion of robbery.
  A 30-year-old Brighton man was arrested on suspicion of grievous bodily harm.
  Sussex Police said the victim was still in hospital.
  Officers are still keen to hear from anyone who was in the area at the time and may have witnessed the assault.
target: Three people arrested after a man was found unconscious following a suspected assault in Brighton have been released without charge.