The Muslim Brotherhood (MB) inaugurated the new building of the MB party "Freedom and Justice" on May 21, 2011, in al-Muqattam.

Each of both potential presidential candidate 'Amr Mūsá and Hamdīn Sabāhī, as well as 'Abd al-'Azīz Hijāzī, Rif'at al-Sa'īd, Sāmih 'Āshūr, Mahfūz 'Azām, Ambassador Rifā'ah al-Tahtāwī, celebrity 'Abd al-'Azīz Makhyūn, Mahmūd al-Khudayrī, and former Member of Parliament Rāmī Lakah attended the inauguration.

From Muslim clerics, each of Shaykh Muhammad Mukhtār al-Mahdī, head of Ansār al-Sunnah group, Shaykh Sālim 'Abd al-Jalīl, Deputy Minister of Awqaf, Shaykh Jamāl Qutb attended also. Moreover, from the church, Wasfī Maurice attended representing Bishop Armiyā.