New Delhi, Sept. 20 -- An 18-year-old man was allegedly stabbed to death following an altercation with an acquaintance in Naraina Village, with Delhi Police registering a murder case and launching an investigation into the incident.

The deceased, identified as Sumit Giri, a resident of Naraina Village, was taken to DDU Hospital in an unconscious condition late Saturday night, where doctors declared him brought dead, police said.

According to the preliminary investigation, the incident took place around 9.30 pm on Saturday when accused Aman and his friend Narsingh were returning to Naraina Village on a motorcycle after going towards Payal Cinema. On the way, they met their acquaintances, Sumit and another Aman, son of Anil Singh.

Police s...