North Korea warns: Stay away from our airspace.

Tensions rise as North Korea threatens spy planes.

Airspace violation warning: North Korea issues stern message.

Escalating tensions: North Korea's airspace threat raises concerns.

Spy plane standoff: North Korea sends a clear message.

Spy plane standoff: North Korea sends a clear message.

Sovereignty at stake: North Korea's airspace warning emphasized

Rising tensions: North Korea's airspace warning sparks international concern.

Threat to spy planes: North Korea demands airspace respect.

Military standoff: North Korea's airspace threat adds to tensions.

International relations strained: North Korea's airspace warning magnifies conflict.