NEW DELHI, Nov. 3 -- A one-year-old boy was killed and three family members injured after their motorcycle was hit by an SUV at Mukundpur Chowk in north Delhi's Jahangir Puri on Saturday, police said. The SUV driver, Nivesh Kumar, son of a Delhi Fire Services head constable, has been arrested. Police identified the deceased as Arun, a Faridabad resident. His four-year-old brother is critical, while the parents sustained minor injuries. A preliminary probe found Arun's father, Jagdish Kumar, was riding with his wife and two children towards Mukarba Chowk when the car hit their motorcycle. "The impact threw all four on the road," a police officer said. Jagdish, a refugee from Pakistan, said, "The car overtook us recklessly. My elder son is critical." A case has been registered, police said....