White phosphorus fired by Israeli army to create a smoke screen, is seen on the Israel-Lebanon border in northern Israel, November 12, 2023. REUTERS/Evelyn Hockstein /File Photo Purchase Licensing ...

A shell that appears to be white phosphorus from Israeli artillery explodes over a house in al-Bustan, a Lebanese village along the border with Israel, on Oct. 15, 2023.

People exposed to white phosphorus can suffer severe and sometimes deadly bone-deep burns. It can cause organs to shut down, and burns on just 10% of the body can be fatal, HRW said.

“Israel’s recent use of white phosphorus in Lebanon should motivate other countries to take immediate action toward this goal,” said the group’s Lebanon researcher, Ramzi Kaiss.

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People exposed to white phosphorus can suffer severe and sometimes deadly bone-deep burns. It can cause organs to shut down, and burns on just 10% of the body can be fatal, HRW said.

People exposed to white phosphorus can suffer severe and sometimes deadly bone-deep burns. It can cause organs to shut down, and burns on just 10% of the body can be fatal, HRW said.