The plea from inside a Russian prison by 11 political prisoners emphasizes the need for a ceasefire or peace agreement with the mass release of political prisoners and Ukrainian hostages.
The UN working group on arbitrary detention found last month that Abd el-Fattah's detention was unlawful, violating his right to free expression and fair trial.
Bukele's offer to exchange Venezuelan migrants for political prisoners was met with rejection, highlighting the complexities of international diplomacy amid ongoing human rights concerns.