(WHO) – Fifteen-year-old Ammar lies on a stretcher in the courtyard of Al-Jumhoori Hospital in Sa’ada, Yemen, suffering from burns to his face and body as the result of an explosion in his neighborhood. Meanwhile, Ghaleb Abdullah, walks with difficulty on his crutches, recovering from an injury to his leg caused by flying shrapnel. His pain is further aggravated by having to wait to receive the needed treatment.