WASHINGTON, May 11, 2008 (AFP) - A series of powerful tornadoes swept across the US Great Plains Saturday, killing at least 11 people in Oklahoma and Missouri, CNN television reported. The report said a twister that touched down late in the afternoon in Ottawa County, Oklahoma, killed five people and heavily damaged many buildings. In nearby Picher, Oklahoma, several people remained unaccounted for, according to the network. Three more people were killed and an unspecified number of others were injured when a tornado touched down between the towns of Seneca and Neosho near the Missouri-Kansas border, CNN reported. Another person was killed when thunderstorms knocked a tree onto a mobile home east of Carthage, Missouri, according to the report, and one more weather-related death was reported in Purdy, Missouri.
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