North Korean propaganda leaflets featuring disparaging messages against South Korean President Yoon Suk Yeol and First Lady Kim Keon Hee were found on Thursday scattered on the streets of Seoul. The leaflets, carried into the South Korean capital by balloons, reportedly featured messages accusing Yoon’s government of “failures that had left his people living in despair,” while other leaflets included messages describing the presidential couple as “immoral and mentally unstable.” Some of the propaganda pieces scattered across the presidential office compound in Seoul’s Yongsan District.

The incident marks the Pyongyang regime’s latest use of balloons against South Korea. Since May, North Korea has sent thousands of balloons carrying garbage, feces, and other refuse into South Korean territory in response to South Korean groups that occasionally send balloons with leaflets or media content into North Korean territory. According to NK News , Thursday marked both the 30th time North Korea sent balloons into South Korea since May and the first time in years the North Korean regime is known to have sent propaganda leaflets across the border.

Approximately 20 balloons carried the disparaging propaganda pieces — one of which “exploded in mid-air,” scattering its contents across the South Korean presidential complex. “After a safety inspection, it was confirmed that the objects posed no danger or contamination risk, and they were subsequently collected,” the So.