Yoon said he had no choice but to resort to such a measure in order to safeguard free and constitutional order, saying opposition parties have taken hostage of the parliamentary process to throw the country into a crisis.
Not very familiar with the political situation in Seoul, but saying your political opponents are supporting North Korea sounds like a pretty serious accusation.
On the one hand calling your opponents commies has been around since we had commies to compare them to, but on the other Russian influence is on the rise and surprisingly effective.