At the hospital in northern gaza, the idf says it killed several militant commanders and insisted it was preventing harm to civilians. Our middle east correspondent yolande knell reports. Left in ruins. This was once the Beating Heart of gazas health care system, but israel says that it had become a terrorist base. Two weeks ago, its troops returned to Al Shifa Hospital for a second time launching a surprise attack. They say they shot dead 200 palestinian gunmen and arrested top hamas figures without harming civilians. Palestinians say many innocents were hurt and killed. Translation there are so many bodies here. Weve been getting them out ever since this morning. Its shocking. Weve never seen anything like it. The fierce fighting entered al shifas wards and razed homes nearby. Israels military sees this as one of its most successful operations of the war so far, dealing the enemy a major blow. But critics say its also a worrying sign of the ability of hamas to regroup in areas that i