Before everyone starts throwing away all their batteries, it was explosives in the pagers going off not the batteries.

https://web.archive.org/web/20240918000231/https://www.nytimes.com/2024/09/17/world/middleeast/israel-hezbollah-pagers-explosives.html/ 

 Good to know, similar to the thermite layers painted in the WTC towers 🔥 

 Too late.