Police are continuing to appeal for information to trace two teenagers wanted in connection with the attempted murder of another teenager in Colchester.
Detectives still want to speak to Ben Goodspeed and Tate Heeney.
A 17-year-old was stabbed in the chest and arm and assaulted in Osborne Street on Saturday
He remains in hospital in a stable condition.
Two boys aged 17 and 18 from Colchester were arrested on Monday on suspicion of attempted murder in connection with the investigation.
The 18-year-old has been released on conditional bail until February 16 pending further enquiries.
The 17-year-old remains in police custody for questioning.