New Delhi, In a tragic incident, a speeding car in northeast Delhi hit the youth and his cousin. A youth was killed while his cousin was critically injured in the accident, said police. A senior police officer said, "While they were heading towards Khajuri area, a speeding car knocked them down. Afzal sustained grievous neck and head injuries and became unconscious. Shafeeq was also seriously injured". Officer added, "Locals immediately caught hold of the car driver who was trying to flee from the spot". Both victims lived in Brahmpuri and had come to Delhi from Shahjahanpur in Uttar Pradesh a few months ago for work. The convict driver has been identified as Gulshan Sharma, a resident of Rohini and has been arrested and his car impounded. A case of causing death by negligence and rash driving has been lodged, police said.