China: At least seven people were killed when a gas blast in a coal mine in China's Hunan province exploded, government sources said Monday.PromotedListen to the latest songs, only on JioSaavn.comThe accident occurred around Sunday evening at the Minxing Coal Mine in Zhonglian township, Xinhua reported.Also ReadChina Coal Mine Blasts Kill 38: ReportRescuers Try To Find 15 Still Trapped By Mine Blast In ChinaChina coal mine gas blast kills 29 workers