New Delhi : A 17-year-old boy riding pillion on a two-wheeler was allegedly chased and stabbed to death by another juvenile rider near Malikpur in Mukherjee Nagar on Monday morning, police said, adding that the suspect was apprehended. According to police, a purported video of the incident shows the suspect racing toward the 17-year-old who was riding with his friend. The video shows the suspect first stabbing the victim in the back of his head on a moving vehicle, and then attacking him multiple times. HT could not independently verify the video. DCP (northwest) Akanksha Yadav said police received a PCR call regarding a stabbing in the morning and police teams were dispatched. They found that the injured person, a resident of JJ Colony in Sangam Park, had been shifted to the hospital by a PCR van.