The three-year-old boy, whose body was recovered from a rooftop water tank in Dhaka's Shyampur area yesterday, was kidnapped by a masked man from Gazipur on Saturday. The deceased was identified as Nihad Islam, only son Hanif Ali and Nargis Begum, both workers at a garment factory in the district. Hanif arrived at Dhaka Medical College Hospital morgue this afternoon after