Israel's onslaught on Iran appeared to enter a new phase Sunday in what has been described as the heaviest period of attacks yet.

The Lebanese militant group Hezbollah was long considered Iran’s first line of defense in case of a war with Israel.

DUBAI, United Arab Emirates (AP) — Israel’s defense minister warned Saturday that “Tehran will burn” if Iran continues firing missiles, as the two countries traded blows a day after Israel launched a blistering surprise attack on Iranian nuclear and military sites, killing several top generals.

Israel’s decision to attack Iran’s nuclear program on June 12 might go down in history as the start of a significant regional war, and the inflection point that led Iran to finally acquire nuclear weapons.

Iran’s state news agency IRNA said hundreds of ballistic missiles had been launched in retaliation for Israel’s biggest ever attacks on Iran, blasting Iran’s huge underground nuclear site at Natanz an