ABUJA: Saudi Arabia’s King Salman Humanitarian Aid and Relief Center (KSrelief) has launched a voluntary medical campaign in Nigeria to perform 108 open-heart surgeries and cardiac catheterization procedures. The campaign, launched in the capital Abuja on Tuesday in collaboration with the Al-Balsam Association for Health Training and Development, aims to carry out 28 open-heart surgeries and 80 diagnostic and therapeutic cardiac catheterization procedures. The procedures are being performed a