The Lebanese group Hezbollah recently claimed responsibility for an explosion in the contested Shebaa Farms area.
It is a strip of disputed land on the frontier between Lebanon and Israel, and the Israeli-occupied Golan Heights.
It was the first attack in the area since 2006.
Al Jazeera's Rula Amin went on patrol with UN forces, to see how they are dealing with the violence in southern Lebanon.
Source: Al Jazeera