US, S.Korea planning response to any N.Korea 'nuclear use:' White House
Washington and Seoul are planning an "effective coordinated" response if North Korea uses nuclear weapons, the White House warned on Tuesday.. South Korean President Yoon Suk-yeol and US President Joe Biden have "tasked their teams to plan for an effective coordinated response to a range of scenarios, including nuclear use by North Korea," a spokesman for the National Security Council at the White House said.