A man was arrested on suspicion of attempted murder and possession of class A and B drugs after a man was stabbed in Peterborough.
Police and ambulance crews were called at 10.49pm to reports of violence in Lincoln Road.
A man was stabbed and received serious injuries to his chest and limbs. A women also received minor injuries.
The offender fled the scene and the victim, a man believed to be in his 50s, was taken to Peterborough City Hospital by ambulance.
A 31-year-old man from Peterborough was arrested on suspicion of attempted murder and possession of class A and B drugs at 1.20am on Saturday morning and was taken to Thorpe Wood Police Station.
He was later released under investigation for the alleged offence of section 18 – wounding with intent.
A spokesman for the East of England Ambulance Service said the victim’s injuries are not believed to be life-threatening.