A South Korean presidential briefing stated that the North had specifically requested that the two officials attended.
The announcement comes after 48 hours of threats and counter-threats, which saw a brief exchange of artillery fire Thursday.
The resort area of Imjingak in Paju city, only seven kilometers (4 miles) from the DMZ, which is usually open to tourists, was closed Saturday, and an information phone line went unanswered when CNN called.
An employee who was driving around to ensure that the resort was empty of tourists said that authorities were evacuating people from this area because there was a danger of bombing.
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