Speaking to al-Masirah TV, a Yemeni army source said that the operation killed and wounded many Saudi-linked mercenaries, while destroying their military camps, weapons depots and armored vehicles, Press TV reported. The fresh Yemeni attacks killed at least 58 mercenaries and injured dozens, a Saudi military source who spoke on condition of anonymity told AFP. For more than a decade, Yemen has been gripped by conflict involving the popular Ansarullah resistance group, as well as rival militants supported separately by Saudi Arabia and the UAE. Saudi Arabia waged a devastating war on Yemen in March 2015, but it failed to reinstall a Riyadh-friendly regime there. According to Press TV report, additionally, on Thursday, Yemen's Sana'a-based Government commended the Armed Forces’ operation against major Saudi military mobilizationsIt also praised the Yemeni force’s readiness to defend the nation’s efforts to lift the oppressive Saudi siege.