North Korea, which has blocked South Koreans from traveling to the jointly run Kaesong Industrial Complex since last Wednesday, stepped things up Monday by declaring it will withdraw all of its 53,000 workers from the complex and consider shuttering it permanently.

Here’s a rundown of the state of things at Kaesong:

--As of Monday morning, 514 South Koreans and four Chinese nationals remained in the complex.

--On Monday, 39 workers were planning to return to the South, according to the Unification Ministry, with most expected back around 5 p.m. local time.