NEW DELHI, Sept. 16 -- Delhi Police on Monday arrested 38-year-old Gaganpreet Makkad, who was behind the wheel of a BMW that mowed down Navjot Singh, a 52-year-old deputy secretary with the Union finance ministry, officers aware of the matter said. She was produced before a duty magistrate and sent to two-day judicial custody, they said.

Police said that a key point of the probe centred on why she took the victims to the Nulife Multi Specialty Hospital in GTB Nagar, which is located 19 kilometres from the accident spot. To be sure, the Deen Dayal Upadhyay Hospital is 7.8 kilometres from the spot and AIIMS, 12 kilometres.

"She said that when the car toppled over, she and her family were taken out by locals and she saw the injured couple....