Defence Secretary James Mattis says any threat to the US or its allies by North Korea will be met with a “massive military response”.
Mr Mattis said Donald Trump met with a small group of military and defence officials at the White House after US intelligence officials confirmed that the test of a bomb that is reportedly ready to fit onto an intercontinental ballistic missile (ICBM).
“We made it clear we have the ability to defend ourselves and our allies,” Mr Mattis said.
The Defence Secretary also stressed the “iron-clad” commitments of the US to allies like South Korea and Japan.
“Any threat to the US”, its territories like the Pacific island of Guam, or its allies would be met with a “massive military response … both effective and overwhelming”