King Salman Humanitarian Aid and Relief Center (KSrelief) has concluded here its voluntary medical campaign for adult open-heart surgeries and heart catheterization operations in Mukalla, Hadhramaut Governorate, it was reported today. The volunteer medical team affiliated to Riyadh-based KSrelief conducted 95 operations yesterday, including 13 open-heart surgeries and 82 heart catheterization operations. The campaign comes within the framework of humanitarian and aid efforts provided by KSrelief, the Kingdom of Saudi Arabia's relief arm, for the needy in Yemen.