Obama urges probe into mine disaster after last bodies found

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(CNN) -- President Obama on Saturday urged a thorough investigation into a deadly explosion at a West Virginia coal mine that killed 29 people, hours after rescue efforts at the mine gave way to an operation to recover the dead.

"This has been America's worst mining disaster in forty years, and the toll on all West Virginians has been immeasurable, " Obama said of Monday's blast at the Upper Big Branch mine. "We cannot bring back the men we lost. What we can do, in their memory, is thoroughly investigate this tragedy and demand accountability."

Obama's statement came just hours after rescue efforts came to a grim end after crews found the bodies of the last four miners unaccounted for in the explosion. Twenty-five people were previously announced dead.

"My thoughts and prayers are with the families of all those who were lost in this tragic accident, and my gratitude goes out to the rescue teams who worked so tirelessly and heroically to search for the missing," Obama said in his statement.

The death toll makes the West Virginia mining disaster the worst in the U.S. since 1972, when 91 miners were killed in a fire at the Sunshine Mine in Kellogg, Idaho.

Of the 29 dead in the West Virginia blast, the bodies of 22 remain inside the mine.

http://www.cnn.com/2010/US/04/10/west.virginia.mine/index.html?hpt=T1