According to a Sunday report by Sputnik, Yemen's Ansarullah forces attacked the Saudi controlled areas in Hayfan District and took back some important hills.
Many Saudi mercenaries were killed and injured in the operation and some of their equipment annihilated.
Yemeni forces also could curb the advancing of Saudi forces in west of Taiz.
Saudi Arabia and its regional allies attacked Yemen in March 2015 to bring back to power the deposed president of Yemen Abdrabbuh Mansour Hadi.
The invaders have committed horrible war crimes against Yemeni civilians during the past three years, killing more than 14,000 Yemeni children, men and women so far.
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