Tornadoes flattenedhomes and businesses, flipped trucks over on highways and bent telephone poles to 45-degree angles as they barreled through Alabama and Mississippi on Monday,part of a storm system that killed at least 11 people in the South and brought theoverall death toll from two days of severe weather in the U.S. to at least 28, APreported.Tens of thousands of customers were without power in Alabama, Kentucky, andMississippi, and thousands more hunkered down in basements and shelters as TheNational Weather Service issued watches and warnings for more tornadoesthroughout the night in Alabama. Radar images showed a twister heading toward the city of Birmingham shortly after midnight Monday.