Riyadh, May 7 -- A team of doctors at the King Abdullah Specialist Children's Hospital (KASCH) in Saudi Arabia's capital Riyadh on Wednesday, May 7, started a 11-hour surgery to separate a Egyptian child Mohammed Abdulrahman Juma, aged seven months and 28 days, with a parasitic twin.

The parasitic twin is attached to Mohammed's back, spanning the lower chest, abdomen, and pelvis.

A parasitic twin, also known as a vestigial twin, is an underdeveloped identical twin that fails to grow during gestation and remains physically connected to the fully formed twin. It is unable to survive independently and typically perishes in the womb or shortly after birth.

The surgery follows the directives of the Custodian of the Two Holy Mosques, King Sa...