573 people staying at Kaesong industrial complex , north of demilitarized zone . 80 South Koreans not cleared to cross the border into South Korea Monday . Follows vow to retaliate from N. Korea if its satellite launch is intercepted . Comment:
573 people staying at Kaesong industrial complex , north of demilitarized zone . 80 South Koreans not cleared to cross the border into South Korea Monday . Follows vow to retaliate from N. Korea if its satellite launch is intercepted . S. Korea , U.S. have started their annual joint military drills .