A 36-year-old man has been arrested in Vienna after a knife attack on a man in Nußdorfer Lände. According to Vienna police, the suspect allegedly attacked the 39-year-old ex-partner of his life partner during a dispute on open street in the 19th district on 13 October 2026 at around 23:00. The victim suffered stab injuries to his back and leg area and was rushed for emergency treatment by the Vienna Rescue Service. He was taken to the shock room of a hospital with serious injuries. Police said the suspect fled the scene after the attack, but returned shortly afterwards. Officers from the Nußdorfer Platz police inspection arrested him. The suspected weapon was seized in nearby bushes. Investigators from the State Criminal Police Office Vienna, West branch, questioned the 36-year-old. The man remains in custody as police investigations continue.