573 people staying at Kaesong industrial complex , north of demilitarized zone . The South Korean government has been trying to get the North Koreans back into talks for months Many of the stranded South Koreans work at the complex , which is a joint project between the Koreas . `` The South Korean government is closely monitoring the situation and preparing for all contingencies , '' said Kim Ho-nyun , a South Korean Unification Ministry spokesman . Follows vow to retaliate from N. Korea if its satellite launch is intercepted . S. Korea , U.S. have started their annual joint military drills .
573 people staying at Kaesong industrial complex , north of demilitarized zone . The South Korean government has been trying to get the North Koreans back into talks for months Follows vow to retaliate from N. Korea if its satellite launch is intercepted . S. Korea , U.S. have started their annual joint military drills .