"The transfer of nuclear weapons or material by North Korea to states or non-state entities would be considered a grave threat to the United States, and we would hold North Korea fully accountable of the consequences of such action, " Bush said.

NPR: Bush Urges Decisive Response to North Korea Test

The transfer of nuclear materials or material by North Korea to states or non-state entities would be considered a grave threat to the United States and our allies, and we would hold North Korea fully accountable for the consequences of such action.

WHITEHOUSE: President Obama Speaks to the Australian Parliament