At the meeting of the US and South Korean presidents, the US promised to support South Korea within the limits of its nuclear arsenal. At a joint press conference, Yoon said he and Biden agreed on steps to strengthen South Korea's defense capabilities in response to the threat posed by North Korea.
"Our two countries have agreed to hold immediate bilateral presidential consultations in the event of a North Korean nuclear attack and vowed to respond quickly and decisively using the full force of the alliance, including the nuclear weapons of the United States," Yoon said.