As I write, thousands of people in northern Gaza are on the move, attempting to escape the worst nightmare imaginable. Forced from their homes and temporary shelters, they are leaving behind everything they have known. The landscape of devastation is reminiscent of some of the worst conflicts in recent memory.

Northern Gaza, which is one-fourth of Gaza’s territory, has been under siege for 23 days. The nearly 400,000 residents who had remained there after a year of war face inhumane conditions as food, water and medicines have run out and aid is not reaching them. More than 800 people have been killed in three weeks.

The situation in Jabalia refugee camp, which has been the focus of the ongoing military assault, is particularly dire. Al-Awda Hospital, which is supported by Relief International, is the only partially functional........

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