A man has been taken to hospital with life-threatening injuries and two people have been arrested on suspicion of attempted murder after a stabbing.
Officers were called to the incident at about 14:40 BST and a cordon remains in place at Stapleton Road in Easton, Bristol.
A 19-year-old man, who was taken to hospital with minor injuries, has been arrested on suspicion of attempted murder. Officers also arrested a 41-year-old man on suspicion of attempted murder.
Ch Insp Serena Serjeant said: “This was a shocking attack and we are carrying out urgent enquiries to understand the full circumstances.”