A 20-year-old boy passed away after he was allegedly stabbed in his thigh by a teenager for talking to a girl in east Delhi's Jwala Nagar area, police said on Saturday. Police have detained four juveniles in connection with the incident. A senior police officer said that on the night of Thursday past 9 pm police received information from Hedgewar Hospital that the victim Yuvraj alias Annu, a resident of Kasturba Nagar, was taken to hospital following the attack where he was declared dead. The body of the victim was shifted to the mortuary for post-mortem. The crime team inspected the spot inside Shamshan Ghat, Jwala Nagar, police said. When investigating it was revealed that Yuvraj, who was studying in Class XII through open school was sitting in Shamshan Ghat and having drinks with his friends Prince and Akash of the same locality, the officer said. Meanwhile, four boys aged around 16 to 17 also reached there and had an altercation over an affair of one of the juveniles with a girl with whom Yuvraj was also talking, police said. During the argument, the three minors caught the victim, and one juvenile, who was having affair with the girl, took out a knife and stabbed Yuvraj in his left thigh. Later, they fled away from the spot, police said. During the investigation, all four minors have been apprehended. A case under sections 302 (murder) and 34 (common intention) were registered in Vivek Vihar police station. The minors were sent to a juvenile home and the weapon of offence a knife also recovered from their possession, police said. Two juveniles, including the one who stabbed the victim, work as a conductor and a helper in a private school bus, police said. Man puts sister's husband on fire over a fight 8-year-old girl raped by mukhiya's husband, mother shocked to see her condition Devrani-Jethani had illicit relationship with same person, committed suicide together