Eighteen people were killed and threeinjured Sunday when a factory wall collapsed as a result of heavy rainfall in theeastern Chinese city of Qingdao, state media reported.According to dpa, the wall collapsed on to temporary housing where 40 workers hadgathered, the Shandong province government said. Three people were taken to anearby hospital for medical treatment.Local authorities have launched an investigation into the collapse, which occuredafter the wall became waterlogged due to a heavy rainstorm.The eastern coastal region has been drenched by heavy rainfall in recent days.One person was killed in Hunan province after the weather conditions triggered alandslide in the Jinwutan township, while another person was found dead in thesouthern Guangxi Zhuang region.