Deadliest day in Gaza since ceasefire: Israel launches wave of strikes after accusing Hamas of truce breach
May 15, 2025, saw the deadliest day in Gaza since the ceasefire, with Israeli airstrikes killing at least 143 people across the Strip after Israel accused Hamas of breaching the truce, igniting a major escalation.
Key takeaways
- Death toll: At least 143 killed on May 15, 2025 — the deadliest single day since the ceasefire. (Source: Source)
- Triggered by alleged truce breach: Israel says strikes were a response to a Hamas violation of the fragile truce. (Source: Source)
- Contested evidence: The IDF released drone footage alleging staged casualty presentation; the clip has not been independently verified. (Source: Source)
- Worsening humanitarian crisis: Strikes hit markets, hospitals and aid points; Israel announced a major ground offensive, and new militias have emerged. (Source: Source)
Main story
What happened on May 15
On May 15, Israeli warplanes carried out a series of strikes across the Gaza Strip that officials and hospital staff described as the deadliest single day of the conflict since the ceasefire faltered. Emergency services and medics reported bodies and dozens of wounded arriving at overwhelmed clinics in Gaza City and other urban centres. Strikes struck crowded areas, including marketplaces and a restaurant that had been one of the last operating eateries in Gaza City.
Reporting compiled in public sources documents the scale of destruction and civilian harm. Many accounts emphasise the pressure on Gaza’s medical facilities and first responders as casualties mounted.
(Source: Source)
Ceasefire breach and renewed strikes
The escalation followed Israel’s accusation that Hamas violated a fragile truce that had held after earlier fighting. Israeli officials said the alleged breach justified swift, forceful action aimed at degrading Hamas capabilities. Independent confirmation is limited amid active combat and restricted access to many affected areas.
(Source: Source)
IDF drone video and staging allegations
On May 15 the Israel Defense Forces released drone footage it said showed Hamas operatives burying a body wrapped in a white cloth and later staging its discovery in front of Red Cross representatives. Israeli officials described the footage as evidence of a coordinated propaganda effort to manipulate media and public opinion.
Note: The IDF’s clip has not been independently verified; conflict-era footage is often contested and difficult to corroborate without neutral access.
(Source: Source)
Civilian toll and damage to infrastructure
Beyond the immediate fatalities on May 15, strikes in subsequent days hit hospitals, schools and civilian infrastructure. Two senior Hamas figures, Mohammed Sinwar and Muhammad Shabana, were killed near the Gaza European Hospital compound on May 13 — an event that preceded the deadliest day and may have escalated tensions.
Reports document attacks that damaged aid distribution points and schools sheltering civilians, compounding the risk to non-combatants and obstructing humanitarian access. Other incidents in late May reportedly included strikes on a school in Daraj and lethal attacks at crowded aid sites.
(Source: Source)
Operation Gideon’s Chariots and rising militias
On May 16, Israel announced Operation Gideon’s Chariots, signalling a shift toward a broader campaign that includes ground forces in addition to air operations. At the same time, new armed groups such as the Popular Forces tied to the Abu Shabab clan have emerged inside Gaza, creating additional security complications and raising the risk of intra-Palestinian clashes.
(Source: Source)
International reaction and humanitarian concerns
The spike in violence prompted immediate international concern. Governments, allies and aid organisations urged restraint and emphasised the need to protect civilians. Humanitarian agencies called for safe corridors, unhindered medical access, and protection for relief workers as hospitals struggled and supply lines were disrupted.
Several states criticised the scale of Israel’s response and warned of potential diplomatic or economic measures. Aid groups warned the weakened infrastructure increases the risk of famine, disease and long-term trauma among Gaza’s population.
(Source: Source)
Reporting limits and verification
Much of the public narrative rests on statements by the parties, hospital records and media reporting compiled in public sources. The IDF’s drone footage is an example of material released by one side; independent verification is essential but often not possible amid active hostilities. Journalists and monitors face access limits that complicate independent confirmation.
Readers should treat unverified claims cautiously until neutral observers can corroborate the evidence.
(Source: Source)
Implications for the world
Economic and humanitarian impact
The escalation strains international aid systems and may force governments to reallocate diplomatic and financial resources to relief. Disrupted supply chains and constrained access risk worsening food insecurity and public-health crises.
Political consequences
The violence risks widening regional instability and could alter relations between key states. Threats of sanctions or diplomatic measures may reshape alliances and complicate longer-term peace efforts.
Security and refugee concerns
A broader offensive and the rise of new armed groups increase the likelihood of spillover, cross-border incidents and refugee flows. Neighbouring countries and international organisations will need contingency planning for humanitarian and security implications.
Media credibility and information warfare
The IDF’s drone footage accusing Hamas of staging casualty scenes highlights broader battles over narrative and verification in wartime. Governments, media and fact-checkers face heightened challenges distinguishing verified facts from staged or misleading material.
Practical effects for international audiences
- Governments and aid agencies should increase humanitarian assistance and press for civilian protection.
- Independent investigations into alleged abuses and open access for monitors are critical.
- The public and media consumers should prioritise verified reporting and remain cautious about uncorroborated claims.
(Source: detailed summary of events and claims related to the Gaza war)
Sources
This article draws on reporting compiled in public sources, including a detailed summary of events and claims related to the Gaza war: detailed summary of events and claims related to the Gaza war. Additional on-the-ground verification is ongoing and subject to updates from journalists, aid groups and international monitors.
