Bahraini King Hamad bin Isa Al Khalifa sent a congratulatory cable to the Interim President Counselor Adly Mansour of Arab Republic of Egypt, where the King expressed his utmost congratulations on the occasion of the success of the referendum on the new constitution. King Hamad said that the referendum process is considered an important step towards achieving stability, security and growth in Republic of Egypt, asking Almighty Allah to preserve Egypt and its people, and grant it prosperity to maintain its known role in the Arab and international spheres, BNA reported.