Chief Minister Muhammad Shahbaz Sharif on Thursday chairing a video conference from Lahore Office to Rawalpindi asked authorities to be vigilant on Anti dengue campaign even in the days of Ashura. He instructed that strict security measures should be taken in days of Muharram. He averred that cleanliness should be adhered in routes of procession. Chief Minister was told that 1,368 cases were filed, 19 buildings sealed and 872 persons arrested during anti-dengue campaign in the province.