A 46-year-old man has been arrested after another man was treated for a stab wound in Warwickshire.
A man in his 20s was taken to hospital after suffering a stab wound in Waverley Avenue, Nuneaton, on Saturday night, police said.
A scan revealed he had suffered internal bleeding and a punctured lung. He is currently in a stable condition.
The man who was arrested was questioned on suspicion of assault and released on bail.
Police have appealed for witnesses.
Warwickshire Police officers are carrying out house-to-house inquiries and studying CCTV film, a spokeswoman said.