North Korea said on Saturday it had discovered the remains of a crashed South Korean military drone, suggesting it was on a propaganda mission in the latest confrontation between the two involving cross-border flying objects.

North Korea claimed Saturday it had discovered the remains of at least one crashed South Korean military drone in the capital Pyongyang, releasing images of the device that some analysts confirmed was South Korean.

North Korea has said it had found the remnants of a South Korean military drone and that any further "violation" of its territory would result in a "declaration of war." Tensions between the two sides of the peninsula have escalated since May when the North began flying balloons carrying garbage across the border to the South,

North Korea accused South Korea of flying propaganda-filled drones over Pyongyang and threatened “retaliation,” state media reported Friday.