epa10575312 Relatives and friends of war prisoners wait for their arrival on the third day of a prisoner swap at Sanaa airport, in Sana'a, Yemen, 16 April 2023. 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