King Salman Humanitarian Aid and Relief Center (KSrelief) launched yesterday a volunteer medical campaign for open heart surgeries and catheterizations for adults of low-income families in Al-Mukalla, Hadhramaut Governorate, which will last until 06 November, 2020. The medical team performed successful six catheterizations and one open-heart surgery on the first day of the campaign. This campaign comes within the various volunteer campaigns that are funded and implemented by KSrelief in many countries under the directives of the Custodian of the Two Holy Mosques, King Salman bin Abdulaziz Al Saud, and HRH Crown Prince.