The Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud, received here today a telephone call from President Barack Obama of the United States of America. During the conversion, bilateral relations between the two countries and ways of enhancing them in various fields, and the latest developments in the region and the world were discussed and reviewed. The U.S. President also congratulated the Custodian of the Two Holy Mosques on the opening of King Abdullah University of Science and Technology (KAUST), describing it as one of the edifices of knowledge in the world.