"We do know that the international community is more united than ever before on this issue and on the appropriate approach to dealing with North Korean provocations. As a result, the North Korean regime is more isolated than ever before," White House Press Secretary Josh Earnest said.

Even some of the close allies of North Korea like China and Russia have condemned this flagrant violation of North Korea's international obligations, he said.

The United States is going to work in close consultation with its partners and allies to determine an appropriate response, he added.

Separately, State Department Spokesman John Kirby said it is clear that North Korea's actions constitute yet another violation of its obligations and commitments under international law, including several UN Security Council resolutions.

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