U.S. Secretary of State Mike Pompeo spoke with South Korean Foreign Minister Kang Kyung-wha by phone, according to the U.S. Department of State website.
The sides discussed DPRK denuclearization efforts and the need to maintain pressure until they achieve the "final, fully verified denuclearization of the DPRK" as agreed by North Korean leader Kim Jong Un.
"Secretary Pompeo and Foreign Minister Kang vowed to maintain close coordination and communication and they affirmed the enduring strength of the U.S.-ROK Alliance," the statement says.
