Speculation abounds in the blogosphere on this story, first reported in the EU Times from the Kremlin.
The full report, including links to blogs and other sources, can be found at Conservative Examiner.
Access is restricted to information that would either confirm or disprove the Kremlin's contention. It may yet turn out to be true. But there is yet a more plausible explanation that involves sabotage, but it has nothing to do with North Korea. Read on for the information.