Mukalla, Jan 4, 2019, SPA -- The voluntary medical campaign of King Salman Humanitarian Aid and Relief Center (KSrelief) has conducted 15 surgeries, including 4 open-heart surgeries and 11 heart catheterization operations, in Mukalla City, Yemen. This Saudi-led campaign aims to treat children with heart disease, in a number of countries in need. --SPA 20:55 LOCAL TIME 17:55 GMT 0009 www.spa.gov.sa/w1240069