URGENT ¥¥¥ US spy agencies evaluating North Korea blast

In a first US reaction to North Korea's apparent nuclear test, the office of the Director of National Intelligence said spy agencies were evaluating a "seismic event" in the Stalinist state.

"The Intelligence Community is aware of a seismic event with explosive characteristics in North Korea and we are evaluating all relevant information," said a statement issued by the DNI's office.