VATICAN: Catholic bishop and Chancellor of the Pontifical Academy of Sciences, Argentinian Marcelo Sanchez Sorondo (left) and Professor Mahmoud Azab (right), adviser of the Grand Imam of Al-Azhar University sign the ‘Global Freedom Network’ agreement between representatives of Catholic church, the Anglican church and University Al-Azhar to fight against ‘modern forms of slavery and human trafficking,” here on Monday.—AFP