Yemeni state employees gather to receive food rations in Sanaa

Yemeni state employees register to receive food rations in Sanaa, Yemen, on May 25, 2018. Yemen, which has been in war since 2015, remains the world's worst humanitarian crisis. Three quarters of the population, or more than 22 million people, urgently require some form of humanitarian help, including 8.4 million people who struggle to find their next meal. (Xinhua/Mohammed Mohammed)