GAZA CITY An Israeli military raid targeting Hamas militants has forced a major hospital in northern Gaza out of service and led to the detention of its director, the WHO and health officials said Saturday. The assault on Kamal Adwan Hospital has rendered the facility "useless", further worsening Gaza's severe health crisis, the Palestinian territory's health officials said. "This morning's raid on Kamal Adwan Hospital has put this last major health facility in north Gaza out of service.