Prince Mohammad bin Naif bin Abdulaziz, the Assistant of the Minister of Interior for Security Affairs, visited here on Saturday the headquarter of the Ministry of Hajj. During the visit, Prince Mohammad discussed with the Minister of Hajj Eyad bin Ameen Madani and senior officials of the Ministry means of developing the services which offered to the pilgrims and the preparations of the Ministry of Hajj for the movement of the pilgrims from Mina to Makkah.