Indonesian President Dr. Elhaji Sosilo Bambang today launched the expansion project of Babiburrahman Mosque in Jakarta in the presence of the Chief of the Supreme Judiciary Council of the Kingdom of Saudi Arabia Dr. Saleh bin Abdullah bin Homaid, who is also Imam and Khateeb of the Makkah-based Grand Mosque. Following that, Dr. Homaid led worshippers at today's Friday public prayer at the mosque. Later, the Indonesian president held a luncheon in honor of the Chief of the Supreme Judiciary Council and the accompanying delegation.