New Delhi, Aug. 2 -- A 23-year-old woman and her three-year-old son died after they allegedly fell into a waterlogged drain managed by the Delhi Development Authority (DDA) near the Ghazipur paper market in east Delhi, police officers said, even as the family of the victims alleged that a jurisdictional issue regarding the location of the drain triggered a dispute between the Delhi and Uttar Pradesh police, leading to the loss of precious time and delaying the search and rescue operation by nearly two hours....