UN warns displaced Gazans at risk of deadly floods as shelter supplies blocked

After two years of war, Gaza’s infrastructure has been shattered, leaving hundreds of thousands of displaced people living in makeshift tents across rubble-filled areas.

After two years of war, Gaza’s infrastructure has been shattered, leaving hundreds of thousands of displaced people living in makeshift tents across rubble-filled areas. A tentative ceasefire has held since October, but conditions on the ground remain extremely harsh. Heavy rains this week swept through Gaza, flooding tents and temporary shelters, and exposing the severe lack of drainage, waste management, and sturdy shelter options.

What’s Happening Now

The UN’s International Organization for Migration (IOM) says nearly 795,000 displaced Gazans are now at immediate risk of flooding. Many shelters are set up in low-lying areas filled with debris, increasing danger of drowning, collapse, and disease outbreaks. A baby girl has already died from exposure.
The IOM says essential materials such as timber, plywood, sandbags, and water pumps are being delayed or blocked from entering the enclave due to access restrictions. Supplies that did arrive, like waterproof tents and tarpaulins, were not durable enough to withstand the storm.

Why It Matters

The situation highlights a humanitarian emergency inside a humanitarian emergency. Even with the ceasefire holding, life-threatening conditions continue because the basic infrastructure to protect civilians no longer exists. The flooding also increases risks of disease due to stagnant water and poor sanitation.
The lack of access to shelter materials deepens tensions between Israel and humanitarian agencies. Israel argues it is meeting obligations and accuses agencies of inefficiency, while humanitarian groups say aid is being blocked or slowed significantly.

Displaced Gazans remain in the most vulnerable position, dependent on tents that cannot withstand winter storms.
UN agencies, including IOM, are urgently trying to deliver shelter materials but face access restrictions.
Israel’s COGAT, which oversees humanitarian coordination, is central to allowing or restricting supplies into Gaza.
Local Palestinian authorities and humanitarian NGOs are attempting to manage shelters, drainage, and disease control with very limited resources.

What’s Next

UN officials say Gaza urgently needs at least 300,000 new tents to shelter the 1.5 million people still displaced. Reconstruction of infrastructure, waste systems, and proper drainage cannot occur without sustained access for materials and engineers.
If rains continue and restrictions remain, the coming weeks may see heightened flood-related casualties, disease outbreaks, and further deterioration of living conditions.

Analysis

This crisis shows how Gaza’s humanitarian situation has reached a point where natural weather events, like a single heavy storm, can have deadly consequences. With infrastructure destroyed, the enclave has no resilience against seasonal rains, turning winter into a severe threat for displaced families.
Blocked or delayed aid inflames political tensions and leaves agencies unable to meet even minimal humanitarian standards. The ceasefire may have paused active fighting, but the absence of reconstruction, shelter access, and sanitation means the human cost of the war continues. Without a coordinated plan to allow necessary materials into Gaza, the region risks falling into a prolonged cycle of preventable suffering.

With information from Reuters.

Sana Khan
Sana Khan
Sana Khan is the News Editor at Modern Diplomacy. She is a political analyst and researcher focusing on global security, foreign policy, and power politics, driven by a passion for evidence-based analysis. Her work explores how strategic and technological shifts shape the international order.

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