First article I pulled up:

https://www.npr.org/2024/09/20/g-s1-23812/lebanon-israel-exploding-pagers-hezbollah-international-law

Many, but not all, of the pagers and walkie-talkies that unexpectedly blew up over two days across Lebanon and in some neighboring countries were in the possession of Hezbollah fighters, functionaries or allies. In this photo, an ambulance believed to be carrying wounded people drives down a street in a southern suburb of Beirut on September 18, 2024. The ambulance is white with a blue light on top that spans the width of the vehicle. Men stand on the sides of the street, which is lined with buildings. Middle East crisis — explained Another wave of blasts hits Lebanon, as Hezbollah reels from pager explosions

The group is designated as a terrorist organization by several nations, including the United States, but many of its members and supporters operate in civilian areas across Lebanon — and some of the explosions left innocent bystanders, including children, injured or dead.