Diyab is one of the six Guantanamo prisoners (four Syrians, one Palestinian, and one Tunisian) who were freed and welcomed to Uruguay in December 2014, thanks to an agreement between U.S. President Barack Obama and Uruguayan President José “Pepe” Mujica. 
Diyab ni kati ya wafungwa sita kutoka Guantanamo ( Wasyria wanne, Mpalestina mmoja na Mtunisia mmoja) ambao waliachiliwa huru na kukaribishwa nchini Uruguai hapo Disemba 2014,shukrani kwa serikali iliyofanya makubaliano kati ya Rais wa Marekani Barack Obama na Rais wa Uruguai José “Pepe” Mujica.