They depict two 155 mm caliber artillery shells exploding in the air. As a result, white phosphorus ignites, leading to the appearance of characteristic white lines for this compound in the sky.

"There have been reports of the use of white phosphorus or other similar incendiary weapons. The WHO does not verify the type or provenance of weapons used", WHO Spokesperson Christian Lindmeier ...

Earlier, Human Rights Watch, an international rights organization, accused Israel of using white phosphorus munitions during its military operations in Lebanon and the Gaza Strip CAIRO ...