Transcript for North Korea Refuses South Koreans from Entering Joint Factory
It appears north korea is on the march toward war. An ominous new sign, the north now blocking access to an industrial complex near the border with south korea which had been the last remaining symbol of cooperation between the two countries much the u.S. Is now deploying a second warship to the region and abc's martha raddatz is in seoul with the latest this morning. Good morning to you, martha. Reporter: Good morning, josh. Despite all those strong words from the united states, north korea continues to provoke. This morning, they blocked entrance to an industrial park shared with south korea, an industrial park that generates about $2 billion worth of revenue every year for north and south korea. In the meantime, the united states now has two missile-guided destroyers in the western pacific, and this is truly a standoff. Josh? Thank you, martha raddatz, in seoul.
This transcript has been automatically generated and may not be 100% accurate.