In May, North Korea responded by sending its own giant balloons back south – containing trash, soil, pieces of paper and plastic, and what South Korean authorities described as “filth.” ...

This is the second time one of North Korea's trash balloons fell inside the South Korean Presidential Office Compound. MORE: South Korea threatens military response to North Korean 'trash balloons ...

FILE - In this photo provided by Jeonbuk Fire Headquarters, balloons with trash presumably sent by North Korea, hang on electric wires as South Korean army soldiers stand guard in Muju ...

SEOUL--A South Korean activists’ group said Thursday it flew large balloons carrying propaganda leaflets toward North Korea, although the North has threatened to send more balloons with manure ...

The balloons carried plastic bottles, batteries, shoe parts … and excrement,” Bruce Klingner wrote for The National Interest. The 155-mile (248 km) long border between North and South Korea ...