Families of kidnapped Copts in Libya announced they will demonstrate before UN office in Cairo on Monday to demand to induce diplomatic efforts for the release of their sons.
A terrorist group called Islamic State Soldiers claimed responsibility for kidnapping the 21 Copts in Libya.
The group has published photos of the Copts calling them the Crusaders.
A press conference will be held after the demonstration at the headquarters of the Gathering Party in Cairo to uncover facts about the crisis.