TO GO WITH AFP STORY YOUSSEF BA
Christians attend mass at the Catholic church of Saint-Francis in the Libyan capital Tripoli on February 8, 2013. Since the fall of the regime of Muammar Gaddafi in 2011, the Christian minority in Libya expresses concern about the rise of Islamic extremism, particularly after the end of December attack against a church near Misrata. AFP PHOTO/MAHMUD TURKIA