(NEWSER– After threatening new nuclear tests amid heightened sanctions yesterday, North Korea is getting more specific: Those tests will target the US, its "sworn enemy," the country says. "We are not disguising the fact that the various satellites and long-range rockets that we will fire and the high-level nuclear test we will carry out are targeted at the United States," military leaders said. South Korea says the North is "technically ready" for new nuclear tests, Reuters reports.

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