A Chinese executive drowned Sunday in an apparent suicide during efforts to rescue 17 workers still trapped two days after the collapse of a gypsum mine he owned, state media said.<br />Ma Congbo, president of Yurong Commerce and Trade Ltd.<br />Co., was assisting with rescue efforts on Sunday morning when he jumped into a mine well and drowned, state media said, citing a morning briefing by the rescue command center.<br />One person died in the mine collapse on Friday in the eastern province of Shandong.<br />Rescuers have pulled 11 workers to safety, and 17 miners have yet to be found.<br />The mine collapse came just days after a landslide from a man-made pileup of construction waste in the southern city of Shenzhen killed one person and left another 75 missing and presumed dead.
