This is the second time this year that balloons from North Korea have reached the South Korean presidential offices.

Trash carried by a North Korean balloon fell on the presidential compound in central Seoul on Thursday for the second time, raising concerns about the vulnerability of key South Korean sites.The incident comes after the rival Koreas ramped up threats and rhetoric against each other over North Korea’s claims that South Korea flew drones over its capital,

SEOUL, South Korea -- South Korea says trash carried by a North Korean balloon has fallen on the presidential compound in Seoul.