New Delhi, Feb. 22 -- A 38-year-old sound operator died and his 23-year-old associate suffered injuries in an altercation with a group of three to four people, including a software engineer, over giving passage to the operator's truck in a narrow lane in Aya Nagar in the early hours of Friday, police said on Saturday. Police said a 32-year-old software engineer, identified as Ravi, who works with a telecom company in Gurugram, is the prime accused and was arrested from Sonepat in Haryana. They identified the victim as Sandeep Lohia, who was declared dead on arrival at a private hospital. A senior police officer aware of the matter said, "A verbal altercation escalated and turned violent during which the accused stabbed them with a knife he ...