Mumbai, Feb. 28 -- A 28-year-old labourer, Kamal Hassan Shaikh, died on Monday when a cement brick fell on his head from the 15th floor of an under-construction building in Mankhurd. The Mankhurd police have registered a case under section 304A (causing death by negligence) of the Indian Penal Code against the contractor, supervisor, and safety inspector of the construction site....