SEOUL, July 12 (UPI) -- U.S. President Joe Biden and South Korean President Yoon Suk Yeol said that any nuclear attack by North Korea would be met with a "swift, overwhelming and decisive response," as they authorized a new set of guidelines on deterrence strategy.

The leaders met on the sidelines of the NATO summit in Washington, D.C., on Thursday and discussed the agreement, according to a joint statement.

"The presidents reaffirmed their commitments in the U.S.-ROK Washington Declaration and highlighted that any nuclear attack by the DPRK against the ROK will be met with a swift, overwhelming and decisive response," the joint statement said.

The Republic of Korea and the Democratic People's Republic of Korea are the official names of South Korea and North Korea, respectively.

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