epa10573144 Zakariya Yaqub, 20, a freed detainee loyal to the Houthis, makes a phone call to his mother and sisters on a smartphone of a Houthi soldier, upon his arrival at Sanaa Airport on the first day of a prisoner swap, in Sana'a, Yemen, 14 April 2023. According to the International Committee of the Red Cross (ICRC), Yemen's warring parties began on 14 April a three-day exchange of 887 prisoners. The Houthis have agreed to release 181 detainees, including Saudis and Sudanese soldiers who fought alongside Yemeni government forces, in exchange for 706 prisoners held by the Yemeni government, under the UN and ICRC-brokered prisoner swap deal reached last March in Switzerland. EPA-EFE/YAHYA ARHAB