Which authority is responsible for ensuring the availability of medically equipped ambulances in Saudi Arabia?

Which authority is responsible for ensuring the availability of medically equipped ambulances in Saudi Arabia?

سعودی عرب میں طبی آلات سے لیس ایمبولینسوں کی دستیابی کو یقینی بنانے کے لیے کون سی اتھارٹی ذمہ دار ہے؟
Explanation

 The Saudi Red Crescent Authority oversees the provision of medically equipped ambulances to meet requirements during Hajj and other events.