Wuppertal (dpa / lnw) - A 45-year-old man was stabbed and critically injured in a Wuppertal apartment. The crime had already occurred on Sunday night, police and prosecutors announced on Tuesday. A homicide commission took up the investigation. There had been an argument between three men in the apartment. The alleged stabber fled after the crime. The 33-year-old is wanted. The victim is now out of danger after an emergency operation.