New Delhi, July 17 -- Police on Wednesday said they arrested a 26-year-old cab driver for allegedly killing a 25-year-old man in east Delhi's New Ashok Nagar on Saturday night. The accused, cab driver Jagmohan alias Sonu sought revenge against the victim, a distant relative, for allegedly harassing and misbehaving with his wife a month ago. He was arrested in the early hours of Monday from New Ashok Nagar. Deputy commissioner of police (east) Abhishek Dhania said that around 9pm on Saturday, Manjeet Kumar, Krishna Kumar and Vasu Haldar had an altercation with Jagmohan, who was with his friend Sachin. "A quarrel broke out... Manjeet, Krishna, and Vasu allegedly misbehaved with Nandini and pushed her. Jagmohan took out a knife and stabbed Man...