Five people were killed and 33 others injured by a strong tornado that hit Guangzhou, the capital city of south China's Guangdong Province, Saturday, local authorities said.The tornado hit Zhongluotan Town in the city's Baiyun District.A preliminary investigation by the provincial meteorological bureau has determined that the tornado had a level-three intensity.Rescuers from the city's emergency management have been sent to the site immediately.Authorities said 141 factory buildings were damaged and no residential houses collapsed.Source: Qatar News Agency