sentences:  In addition, three fatalities took place in Mexico, 14 in Chad, one in South Africa, three in Vietnam, one in the Philippines, 25 in China and seven in Bangladesh for a worldwide known total of at least 135.Notably, the system for classifying tornado damage in the United States changed from the Fujita scale to the Enhanced Fujita Scale on February 1.2007 started quickly in terms of tornadoes, with the first tornado fatalities taking place in the first week of January.