Israel is attempting a risky strategy, increasing the intensity of its attacks in an attempt to force Hezbollah to back down, while raising the chances of an aggressive response that devolves into a land war.

Hezbollah war grows as the two sides trade new fire, Hezbollah's leader accuses Israel of crossing "red lines."

The unprecedented attack, followed by explosions of walkie-talkies, comes after Israeli officials warned about escalating tensions on the Lebanese border.