South Korea's military responded early Friday morning by firing warning shots at a North Korean merchant vessel that briefly intruded across the disputed western sea boundary. The ship crossed near the South Korean island of Baengnyeong at approximately 5 a.m. and withdrew after South Korea's Joint Chiefs of Staff issued an audio warning and fired shots to drive it back.

There were no reports of retaliation from North Korean forces. According to South Korea's military, this defensive maneuver was a standard operational protocol, with forces maintaining a high readiness level to protect territorial waters. The western sea boundary is a frequent flashpoint, with history of skirmishes and confrontations.

The maritime boundary disagreement continues to fuel tensions on the Korean Peninsula.

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