Last year the BMC was lauded for its efforts to keep down malaria caused however another mosquito-borne disease has been giving the civic body officials sleepless nights. To curb the dengue menace officials are working 24x7 to fumigate the breeding hotspots particularly housing societies. ‘Our weekly-offs and public holidays have been cancelled. We have set up a rapid action force and are conducting indoor fumigation and anti-larval treatment services extensively’ said a pesticide officer from H east ward (Bandra Khar and Santa Cruz). Officials of the H east ward health department found at least 25 dengue mosquito breeding spots in