Biden asserts that a nuclear attack by North Korea would spell the end of the regime.

Joe Biden told reporters that a nuclear attack by North Korea against the United States or its allies would result in the demise of whichever regime took such action.

President Joe Biden and his South Korean counterpart Yoon Suk Yeol warned North Korea that it would face a nuclear response and the "end" of its leadership if it uses its own nuclear weapons.

The two leaders, speaking at the White House following Ova....