Riyadh, 10 Muharram,1438 AH, 11 October,2016 , SPA -- In implementation of the directives of the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud, the medical and surgical team decided to conduct a surgery operation for the separation of Saudi conjoined female twins (Alyen and Ilan) on Thursday, at King Abdullah Specialist Children's Hospital at King Abdulaziz Medical City of the Ministry of National Guard. The twins were born by a caesarean operation at King Abdulaziz Medical City in Riyadh. Adviser at the Royal Court and Head of Medical and Surgical team in separating Siamese twins operations, Dr. Abdullah bin Abdulaziz Al-Rabiah expected that the operation will take about 7 hours with the participation of a multidisciplinary medical team. -- SPA 13:24 LOCAL TIME 10:24 GMT www.spa.gov.sa/w