Dhaka, May 22 (IANS) At least 24 people were killed as tropical cyclone Roanu lashed the coast of Bangladesh with heavy winds and torrential rains, also forcing the evacuation of half a million residents, authorities said. With 55 miles-per-hour winds and downpours of more than a foot in some areas on Saturday, the cyclone hit the south and southeast regions of Barisal and Chittagong especially hard -- damaging hundreds of houses and causing landslides, according to disaster officials. The deaths occurred in seven districts as the storm uprooted trees and destroyed houses on Saturday, bdnews24 reported.