Hezbollah launched a barrage of 140 rockets into northern Israel on Friday, a day after its leader, Hassan Nasrallah, vowed revenge for a massive Israeli bombing, according to statements from both the Israeli military and Hezbollah.

Hezbollah Secretary-General Seyyed Hassan Nasrallah said Thursday that Israel crossed "all the red lines" by detonating thousands of communication devices used by group members with the intention to kill some 5,

Hezbollah pounded northern Israel with 140 rockets Friday, a day after the militant group’s leader Hassan Nasrallah vowed to retaliate against Israel for a mass bombing attack, the Israeli military and the militant group said.

Hezbollah and the Israeli military traded new strikes over the border on Thursday. Fears are increasing that 11 months of exchanges of fire between the two sides will escalate into all-out war. Hassan Nasrallah,

Post national security reporter Shane Harris breaks down the Israeli attacks on thousands of Hezbollah pagers and radios on Sept. 17 and 18.

Israel launched a series of strikes on Hezbollah targets Thursday as the war against the Lebanon-based group widened in the wake of two consecutive days of deadly explosions triggered in wireless devices.

The attack on southern Lebanon on Thursday involved airstrikes and artillery, an Israeli official said, after two days of explosions that killed at least 37 people and injured thousands .