The Saudi forces were killed on Sunday after at least another four Saudi soldiers were killed by Yemeni troops in a series of separate operations in Arabia’s southwestern border region of Najran.
The attacks were carried out after Saudi
s on its impoverished neighbor killed at least eight Yemeni civilians and injured several more.At least seven people were killed and 10 more maimed on Sunday as a Saudi air raid target Yemen's northwestern province of Hajjah.
In a separate attack in the Ma'rib province, one person was also killed.
Earlier in the day, Saudi warplanes conducted air raids on western Yemen, causing several casualties.