A man behind a fence looks at wreckage of the headquarters of the state-run Oil Company after it was hit by airstrikes in Sanaa, Yemen, on May 27, 2018. At least four civilians were killed when Saudi-led coalition airstrikes hit the headquarters of the state-run Oil Company and neighboring houses in Yemeni capital Sanaa on Saturday evening, officials, residents and rescuers said. (Xinhua/Mohammed Mohammed)