Beijing, Dhu-AlHijjah 18, 1437, September 19, 2016, SPA -- At least seven people were killed and one person is missing after explosions ripped through a residential building in eastern China and a chemical plant in the north-west of the country, dpa cited news reports as saying on Monday. One person died and five were injured after a gas explosion in a two-storey building early Monday in the eastern province of Jiangsu. There were still some people trapped inside the building as of Monday afternoon, the official Xinhua news agency reported. Six workers were killed and one is missing after a blast at a chemical plant at Ganhe Industrial Park in north-west China's Qinghai province late Sunday, according to Xinhua. Twelve others were injured and taken to hospital. The cause of both explosions is under investigation, news reports said Monday. --SPA 13:28 LOCAL TIME 10:28 GMT www.spa.gov.sa/w