US warns massive military response to North Korea

These comments come after the national security meeting with US President Donald Trump.

Peniani says he has successfully tested a more advanced nuclear weapon a hydrogen bomb.

North Korea has challenged UN sanctions and international pressure to develop nuclear weapons tests that could reach the US.

But, speaking to reporters outside the White House, Mattis said the US has the ability to defend itself and its allies, such as South Korea and Japan, broadcasts Kosovas.

Any threat to the United States or its territories, including Guam, or our allies will face a massive military response, as effective and massive” response, Mattis said.