Prince Sultan bin Salman bin Abdulaziz, head of the council of trustees of Prince Salman Center for Handicap Research, has extended greetings to Prince Salman bin Abdulaziz, Governor of Riyadh Region and the founder of the center, on the occasion of winning the Bahrain Prize for Humanitarian Work of Gulf Cooperation Council Countries. In a press statement, Prince Sultan bin Salman said that Prince Salman won the prize for his efforts in establishing the center and his support for all activities of the center.