Sri Lanka, Nov. 8 -- Scientists at National Building Research Organization (NBRO) yesterday expressed their concern about the clouds of fine dust that swept through the capital on Wednesday stating they are staying on the alert about it. A senior scientist of the Environmental Division of NBRO, Sarath Premasiri said, although it seems now that these dust clouds have dissipated, the dust storms are increasingly becoming a common meteorological phenomenon in the Asian region.

"India, China, and Bangladesh face dust storms that are hazardous to human health. These storms sometimes last for days. The problem recently swept to Dubai," he explained."The wind carrying dust particles came from the North. We do not know yet whether any pollutants a...