A shopping mall in Howrah suddenly plunged into darkness after lightening had struck the building on Wednesday evening. As there were residential complexes situated in the building, the people got panicked after the lights went off. No injury was however reported after the incident. The city and its adjoining areas had witnessed little drizzling in the evening accompanied by powerful wind. According to the regional meteorological office, thunder squall with wind speed between 50-60 km may hit the districts of South Bengal areas.