Avon and Somerset Police is appealing for information after what it has described as a 'vicious attack' took place in Bristol at around 8pm last night (February 12).
The 17-year-old male victim remains in hospital in a critical but stable condition having sustained a number of stab wounds.
A man was arrested last night but has since been released from custody without charge.
A police presence remains in the Ridgeway Road area of Fishponds today (February 13).
Detective Inspector Roger Doxsey has thanked the public for their cooperation so far, and is urging any of the people who were in the area last night to come forward.