<span style="color: #222222;">In the United States, at least 21 people died as a destructive tornado and strong thunderstorms swept across Mississippi last night.</span><br />'' <span style="color: #222222;"><br />'' Thirteen deaths were recorded in hard-hit Sharkey County, three deaths each from Mississippi's Humphreys County and Carroll County, and two from Monroe County in northeastern Mississippi,<br />'' Mississippi's Emergency Management Agency said, the death toll is expected to rise further as search and rescue operations continue in Sharkey and Humphreys counties. </span><br />'' <br />'' <span style="color: #222222;">The agency has issued a series of tornado warnings in counties throughout the state.</span><br />