Surgeons at the Albert Royer children’s hospital in Senegal’s capital, Dakar, have successfully separated two newborn girls.

Sophia and Adja were joined by the sternum, sharing a part of the body called the pericardium, which is a sac that surrounds and protects the heart.

The two-day-old infants were also joined at the liver.

In a statement on Thursday, the hospital said the operation required great and that was carried out for the first time at Albert Royer following weeks of preparation.