A doctor examines a man wounded in an apartment building natural gas explosion, at a hospital in the city of Ussuriisk in the Russian Far East on Thursday, March 5, 2009. A natural gas leak caused an explosion early Thursday, killing 6 people and injuring 7 in the village of Vozdvizhenka. AP Photo logo AP Photo 11 months ago

A doctor examines a man wounded in an apartment building natural gas explosion, at a hospital in the city of Ussuriisk in the Russian Far East on Thursday, March 5, 2009. A natural gas leak caused an explosion early Thursday, killing 6 people and injuring 7 in the village of Vozdvizhenka.