South Korea's Joint Chiefs of Staff said Seoul may respond militarily to any casualties caused by North Korea's launching of so-called "trash balloons."

South Korea warned of possible military actions if North Korea continues to fly more trash balloons across the border, a rare direct threat of retaliation since Pyongyang started sending them in May.

SEOUL, South Korea (AP) — North Korea on Wednesday test-fired multiple ballistic missiles toward its eastern seas, the South Korean and Japanese militaries said, adding to its military demonstrations as tensions with Washington and neighbors escalate.

South Korea convened an international summit on Monday seeking to establish a blueprint for the responsible use of artificial intelligence (AI) in the military, though any agreement is not expected to have binding powers to enforce it.

South Korea warned of possible military actions if North Korea continues to fly more trash balloons across the border, a rare direct threat of retaliation since Pyongyang started sending them in May.

South Korea said Monday it would take "decisive military action" if anyone is killed by the wave of trash-carrying balloons being launched across the border by North Korea.Shortly after the North's launch of trash-filled balloons in May,

South Korea's military on Monday vowed to take "stern" military measures should North Korea "cross the line" with its ongoing trash balloon campaign or inflict serious damage to the South Korean people.