Saudi-led coalition jets targeted government building controlled by Houthi fighters in Yemen capital Sanaa.
According to officials, the missile struck in the battlegrounds eastern oil province of Marib.
The missile hit an arms depot, triggering huge explosions that the exiled government said also killed five Bahraini coalition troops.
At least 50 coalition soliders, Army units loyal to former president Ali Abdullah were also killed in that attack as well.
The UAE denounced the attack as “cowardly” but the Shiite Huthi rebels hailed it as “revenge” for six months of deadly coalition air strikes.
The coalition launched its air war when Hadi fled to Saudi Arabia in March after the rebels entered his last refuge, Yemen’s second city Aden.