A boy arrested over the stabbing of a 17-year-old boy who called an ambulance for himself has been released on bail.
The victim was found in an alleyway near a high school in Ipswich after he called 999 at 18:30 GMT on Monday.
He was taken to hospital for treatment for a single stab wound and was discharged the following day.
A boy, 17, arrested on Thursday on suspicion of causing grievous bodily harm has been released on police bail until 9 April.
Police were called by the ambulance service to Marlow Road after the teenager reported being stabbed in a nearby alleyway running between Bramford Lane and Broadway Lane and bordering Westbourne Academy.
Two boys, aged 16 and 17, two 18-year-old men and a 20-year-old man were all previously arrested in connection with the stabbing, but face no further action.