Results from an initial air sampling after North Norea's announced nuclear test showed no evidence of radioactive particles that would be expected from | “The US government remains uncertain of the nature of the underground explosion, although the result from air sampling tends to reinforce the indication that the test blast was not entirely successful.” |
The US government remains uncertain of the nature of the underground explosion, officials said, although the result from air sampling tends to reinforce the indication that the test blast was not entirely successful.