SEOUL – North Korea has threatened to attack a group of U.S. human rights activists working with defectors in the South if they go ahead with a planned balloon launch at the inter-Korean border this Saturday morning.

The message, which was carried by North Korean propaganda outlet Uriminzokkiri on Thursday and only published in Korean, described the Freedom Fighters of North Korea plan to distribute materials from the Human Rights Foundation (HRF) as “dirty” and “confrontational”.

“[The activists] will walk straight into our gunsights, where we will keep them–wherever they may hide–and slit their throats,” the page-long document, which was