18 February 2010 10:25 [Source: ICIS news]
All other workers at the mine were said to have been evacuated, according to the region's emergency situations department.
Uralkali, based in ?xml:namespace>
It is the second major incident that Uralkali has experienced at one of its four mines.
In October 2006, underground water flooded one of Uralkali's mines and created a sinkhole that disrupted a local railway line and the surrounding area.
Uralkali announced in January that its potash production in 2009 had fallen 45% year on year to 2.62m tonnes due to a significant fall in global demand.
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