Five people were killed in a tornado in the southern Chinese metropolis of Guangzhou on Saturday. The Xinhua news agency reported on Sunday that a further 33 people were injured in the storm. According to official figures, the storm damaged 141 factory buildings, but no residential buildings collapsed. According to Xinhua, the rescue work has already been largely completed. In the wake of the tornado, a weather station in the Baiyun district of Guangzhou registered wind speeds of over 20 metres per second. Just a week ago, Guangzhou and the surrounding province of Guangdong were hit by torrent…