Mysuru:  There was a powerful blast sound in the city this afternoon which shook buildings and windows creating panic in many areas. Star of Mysore office in Bannimantap was flooded with calls from worried residents, especially from Kuvempunagar, Saraswathipuram, V.V. Puram, Railway Yard, Paduvarahalli, Yadavagiri and Bannimantap. Residents told SOM that the sound was heard…