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FILE - In this Aug. 22, 2015 file photo provided by the South Korean Unification Ministry, South Korean National Security Director, Kim Kwan-jin, right, and Unification Minister Hong Yong-pyo, second from right, shake hands with Hwang Pyong So, left, North Korea' top political officer for the Korean People's Army, and Kim Yang Gon, a senior North Korean official responsible for South Korean affairs, during their meeting at the border village of Panmunjom in Paju, South Korea. Once again, the Koreas are trying to disentangle themselves from violence and threats of war _ this time in tense talks that have dragged out in two marathon sessions over three days. Skepticism over success abounds, but the rivals have proven time and again over the decades their mastery at pulling back from the brink.  (The South Korean Unification Ministry via AP, File)
FILE - In this Aug. 22, 2015 file photo provided by the South Korean Unification Ministry, South Korean National Security Director, Kim Kwan-jin, right, and Unification Minister Hong Yong-pyo, second from right, shake hands with Hwang Pyong So, left, North Korea' top political officer for the Korean People's Army, and Kim Yang Gon, a senior North Korean official responsible for South Korean affairs, during their meeting at the border village of Panmunjom in Paju, South Korea. Once again, the Koreas are trying to disentangle themselves from violence and threats of war _ this time in tense talks that have dragged out in two marathon sessions over three days. Skepticism over success abounds, but the rivals have proven time and again over the decades their mastery at pulling back from the brink.  (The South Korean Unification Ministry via AP, File)

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Official: North Korea, South Korea reach deal

North Korea and South Korea have reached an agreement to de-escalate tensions on the Korean Peninsula, according to the South Korean Yonhap News Agency. CNN's Barbara Starr and Kathy Novak report.

Official: North Korea, South Korea reach deal

North Korea and South Korea have reached an agreement to de-escalate tensions on the Korean Peninsula, according to the South Korean Yonhap News Agency. CNN's Barbara Starr and Kathy Novak report.