South Korea retaliates against North Korea with loudspeaker broadcasts

South Korea resumed Sunday a loudspeaker propaganda campaign against the North as Pyongyang sent a fresh barrage of trash-filled balloons across the border. Relations between the two Koreas are at one of their lowest points in years and in recent weeks the two have engaged in a tit-for-tat campaign of balloon launches, with analysts warning the escalating cycle could end in actual military skirmishes.