A 20-year-old man is in critical condition after being stabbed in the back in Norderstedt, Germany. The attack involved two stab wounds inflicted from behind. Authorities are currently investigating the incident and have not yet identified the perpetrator. The motive for the stabbing remains unknown at this time. Police are appealing for information from the public that could aid in identifying the attacker. The victim received immediate medical attention and is currently receiving treatment for life-threatening injuries. The investigation is ongoing, with authorities focusing on establishing the circumstances surrounding the assault and locating the suspect.