The U. N. expanded the United Nations Interim Force in Lebanon's mandate 20 years ago to include monitoring adherence to a ceasefire in fighting between Israel and Lebanon's Iran-backed Hezbollah — the militant group created in 1982 to counter a second Israeli invasion.
Source: [NPR News](https://www.npr.org/sections/the-picture-show/2026/09/19/g-s1-139752/the-new-lines-of-southern-lebanon)