The Israel Defense Forces announced Sunday morning it was conducting strikes against the terror group Hezbollah in Lebanon after the group had attacked northern Israel.

Prime Minister Benjamin Netanyahu said Sunday that Israel has dealt serious blows to Lebanese group Hezbollah, as rapidly escalating cross-border exchanges raised fears of an all-out war.Netanyahu's remarks follow a night of intense rocket fire at northern Israel that had sent hundreds of thousands of people to bomb shelters,

Israel has claimed the death of a senior Hezbollah military official after a rare Israeli airstrike in Beirut killed at least 37 people and wounded dozens more, shortly after Hezbollah pounded northern Israel with 140 rockets.