They come from large speakers positioned on North Korea's side of the demilitarised zone, just under two kilometres away.

K-pop group Babymonster has added six more shows to the North American leg of their "Hello Monsters" world tour.

South Korea has been blasting K-Pop music across the border. It was soon after this that the eerie North Korean noises started, playing anywhere between 10–24 hours a day. The loudest sounds ...