A girl waves as families wait to receive their relatives, who are child soldiers captured by the Houthi rebels and are to be handed over to the International Committee of the Red Cross (ICRC), at the building of the Human Rights Ministry in Sanaa, Yemen, on Aug. 19, 2018. Yemen's Houthi rebels on Sunday handed over to ICRC 31 child soldiers whom the Houthis claimed to have been arrested during the battles, the Houthi-controlled state Saba news agency reported. (Xinhua/Mohammed Mohammed)