North Korea banned South Korean workers from the jointly run Kaesong industrial zone Wednesday in the latest escalation of the diplomatic crisis surrounding the rogue nuclear state.
The news came as China expressed "serious concern" to U.S. diplomats over the worsening crisis, which has already prompted the U.S. Navy to deploy a second destroyer in the western Pacific to respond to any missile threats from the North.
NBC News’ Jim Maceda is in Seoul, South Korea reporting on the heightened tensions on the peninsula. Earlier today he responded to reader questions about the tensions.
Click on the box below to replay the informative chat.
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Full North Korea coverage from NBC News