Noida, Oct. 20 -- A 25-year-old woman standing on the street in Sector 76 was killed, while her five-year-old son escaped unhurt, after a car allegedly hit several vehicles before ploughing into her, police said on Sunday. A 72-year-old man, said to be the driver of the vehicle, was in the hospital after suffering a cardiac arrest. It is not immediately clear why the accident happened, with police investigating if the driver suffered the arrest before or after the accident. The deceased was identified as Swarna Bhosle, a daily wage worker, originally from Maharashtra, who had been temporarily residing in Sector 76 with her family. The driver was identified as Sayeed Zalil Asgar Naqvi, a homeopathy practitioner and a resident of Sector 79, s...