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In this photo distributed by Astrakhan branch of the Ministry for Emergency Situations, Emergency Situations Ministry rescuers inspect debris of an apartment building after an explosion on Monday morning, Feb. 27, 2012, in Astrakhan, Russia. Such gas explosions are frequent in Russia.(AP Photo/ Astrakhan Branch, Ministry of Emergency Situations Press Service)

Deadly Russian apartment explosion

An explosion apparently caused by natural gas has heavily damaged a nine-story apartment building in southern Russia, leaving two people dead and 12 injured on Feb. 27.