After the killing of four Israeli soldiers by a drone attack on Sunday night IDF Chief of Staff Herzi Halevi said 'We are at war'

Hezbollah’s deadly attack against an army base deep inside Israeli territory presents a major headache for Israel as it continues to struggle to defuse the threat posed by the group.

The day of the attack, the U.N.'s peacekeeping force said an Israeli tank broke down the entrance of its base in Lebanon.