Pyongyang and North Koreans officials believe Pyongyang poised on a missile test . Pyongyang warns foreigners in Pyongyang to leave , following similar advice to diplomats . Pyongyang blocks the entrance of hundreds of South Korean workers to Kaesong , where more than 50,000 North Koreans work , producing hundreds of millions of dollars worth of goods each year . North Korea blocks workers from entering joint commercial zone operated with South .
Pyongyang and North Koreans officials believe Pyongyang poised on a missile test . Pyongyang warns foreigners in Pyongyang to leave , following similar advice to diplomats . North Korea blocks workers from entering joint commercial zone operated with South .