Smoke billows behind a building in the Yemeni capital Sanaa on December 3, 2017, during clashes between Houthi rebels and supporters of Yemeni ex-president Ali Abdullah Saleh.
© 2017 Getty Images
Smoke billows behind a building in the Yemeni capital Sanaa on December 3, 2017, during clashes between Houthi rebels and supporters of Yemeni ex-president Ali Abdullah Saleh.