Riyadh, Rajab 25, 1435, May 24, 2014, SPA -- Dr. Abdullah bin Abdulaziz Al-Rabiah, Advisor to the Royal Court, has announced the success of the separation operation of the Sudanese Siamese twins (Mamdouh and Mahmoud), which took place on Saturday at King Abdulaziz Medical City of the National Guard in Riyadh in implementation of directives of Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud. The surgery lasted nearly 13 hours. In a press statment, Al-Rabiah congratulated the Custodian of the Two Holy Mosques, the Crown Prince and Prince Meteb bin Abdullah bin Abdulaziz, Minister of the National Guard, on this occasion. The twin's father thanked the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud for his support in this regard. --SPA 21:04 LOCAL TIME 18:04 GMT www.spa.gov.sa/w