KARACHI: A report by the Karachi Metropolitan Corporation (KMC) on the drowning of a three-year-old boy in an open manhole in Gulshan-i-Iqbal has attributed the incident to the “carelessness” of officials from the Bus Rapid Transit (BRT) service and a department store adjacent to where the incident took place, it emerged on Wednesday. The body of a three-year-old boy who …