Its most powerful nuclear test ever. The u. S. Responds with a fresh warning to the kim jong un regime. North korea claims it tested a bomb that can be mounted on a missile. Its the First Nuclear test since President Trump took office. Defense secretary james mattis did not mince words during a statement he made outside the white house this afternoon when he warned any north korean threats to the u. S. Or its allies will be met with, quote, a massive military response. Watch. We had a small group, National Security meeting today with the president and the Vice President about the latest provocation on the korean peninsula. Way have many military options. The president wanted to be briefed on each one of them. We made clear that we have the ability to defend ourselves and our allies, south korea and japan, from any attack. And our commitments among the allies are ironclad. Any threat to the United States or its territories including guam or our allies will be met with a massive military