Five months since the Hamas-led attack in southern Israel and the subsequent war in Gaza began, the death toll has climbed above 30,000, according to Gaza health authorities. 

About a third of the victims are children and global leaders have been increasing pressure on Israel to pause the fighting and let more humanitarian aid into the territory. 

Today, Global Affairs Editor John Lyons takes us to the Middle East as part of a special Four Corners' investigation into Israel’s approach to the war and the role its ally the United States is playing. 

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John Lyons, ABC Global Affairs Editor