Eleven dead as tornados batter Oklahoma, Missouri (AFP)

A man walks his dog past a road sign which was knocked down by a tornado in late April. A series of powerful tornadoes has swept across the central part of the United States, killing at least 11 people in Oklahoma and Missouri.(AFP/Getty Images/File/Alex Wong) AFP - A series of powerful tornadoes has swept across the central part of the United States, killing at least 11 people in Oklahoma and Missouri, CNN television reported.