Supported by EvidenceForeign Policy

Human Rights Watch says that Israel has been illegally using white phosphorus in Lebanon

Published March 11, 2026Updated March 11, 2026

Summary

Human Rights Watch published reports documenting Israeli forces' use of white phosphorus munitions in Lebanon, including during October 2023 incidents near the border. The organization characterized this use as unlawful under international humanitarian law when deployed in populated civilian areas. White phosphorus use in civilian areas violates Protocol III of the Convention on Certain Conventional Weapons when it causes incidental civilian harm.

Primary Sources

Human Rights Watch verified Israeli forces' use of white phosphorus munitions in military operations in Gaza and Lebanon on October 10 and 11, 2023, documenting this through interviews and video analysis.

HRW legal analysis explaining why white phosphorus use in populated areas constitutes unlawful use under international humanitarian law, including specific incidents documented in Lebanon.

UN treaty restricting the use of incendiary weapons, including white phosphorus, against civilian populations and civilian objects.

Reuters - Israel used white phosphorus in attacks on Lebanon and GazaNews Report

News coverage of Human Rights Watch allegations regarding Israeli white phosphorus deployment in Lebanon and Gaza.

Evidence Supporting the Claim

  • Human Rights Watch published a report on October 12, 2023 documenting Israeli forces' use of white phosphorus munitions in Lebanon based on verified video footage and witness interviews
  • HRW characterized the use of white phosphorus in populated areas as unlawful under international humanitarian law in their October 17, 2023 legal analysis
  • The organization documented specific incidents near the Lebanon-Israel border where white phosphorus was deployed in areas with civilian populations
  • Protocol III of the Convention on Certain Conventional Weapons prohibits the use of incendiary weapons against civilian populations or in civilian areas when incidental harm occurs

Evidence Against / Context

  • Israel has not ratified Protocol III of the Convention on Certain Conventional Weapons, though this does not exempt it from customary international humanitarian law obligations
  • White phosphorus has legitimate military uses as an obscurant and for marking targets, which some militaries argue justifies its deployment
  • The Israeli military has disputed characterizations of its white phosphorus use as illegal, though it has not denied using the munitions

Timeline

  • Human Rights Watch documented Israeli white phosphorus use in Lebanon through verified video evidence

  • Additional documented incidents of white phosphorus deployment in Lebanon by Israeli forces

  • Human Rights Watch published initial report documenting white phosphorus use in Gaza and Lebanon

  • Human Rights Watch released legal analysis characterizing the use as unlawful under international humanitarian law

What This Means

Structured interpretation — not opinion

  • Key takeaway 1

    Human Rights Watch, a recognized international human rights organization, has formally documented and reported Israeli use of white phosphorus munitions in Lebanon

  • Key takeaway 2

    The organization's legal characterization is based on international humanitarian law principles prohibiting incendiary weapons in civilian areas, though legal interpretations vary among states and military organizations

  • Key takeaway 3

    White phosphorus creates burns and can ignite fires, making its use in populated areas particularly concerning from a civilian protection standpoint under the laws of war

  • Key takeaway 4

    The claim accurately represents Human Rights Watch's documented position and published reports on this matter

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