Pigeons are the symbol of peace and in the past they were used as a medium of communication between the place. Now the population of these pigeons are increasing day by day in the city of Hyderabad and it is startling to know that they are turning deadly killers. It is reported that the bad smell of the droppings from the pigeons are causing dangerous diseases like Hyper Sensitivity Pnuemocystis . Watch the video for more details of this news . . . . .. .