Düren (dpa / lnw) – An 18-year-old is said to have injured two men with a knife during a violent argument in Düren – one of them seriously. The young man got into an argument with the two men aged 23 and 28 on Wednesday evening, the police said. According to witnesses, a fourth person was involved in the dispute. Suddenly the 18-year-old pulled out a knife and seriously injured the 23-year-old and the 28-year-old slightly. The men fled to a shop and were taken to the hospital. The 18-year-old was caught a short time later. The police are investigating the exact course of events and are looking for witnesses.