(VOVworld) – Naval forces of South and North Korea exchanged fire Tuesday near their disputed maritime border, according to South Korean news agency Yonhap.

The incident occurred at around 9.50am in waters near Yeonpyeong Island

A spokesperson for the South’s Defense Ministry said that a South Korean naval vessel fired a warning shot after a North Korean vessel crossed the so-called Northern Limit Line off the western coast. The North Korean ship returned fire for 10 minutes before retreating. The incident occurred at 9h50 local time near the South Korean border island of Yeonpyeong. No casualties were reported.