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.

Israel has carried out what its military called a “targeted strike” on Beirut. It offered no further immediate details.

In a statement this morning, the IDF says its air force hit several Hezbollah sites in southern Lebanon overnight. The targets included military buildings and a weapons store, it says. More than 40 rockets were fired from Lebanon into Israel on Wednesday, according to Israeli media.

Israel and Hezbollah have traded airstrikes in the latest escalation of hostilities after Israel detonated thousands of pagers and walkie-talkies across Lebanon.

Israel has hit a Beirut suburb with an air strike shortly after Hezbollah pounded northern Israel with 140 rockets following a vow by the militant group’s leader to retaliate against Israel for a mass bombing attack.

Israeli public broadcaster Kan said on Friday around 150 rockets were fired from Lebanon across the border. Lebanon's Hezbollah announced on Friday they launched seven separate attacks on Israeli targets with Katyusha rockets.

Hezbollah launches 140 missiles into northern Israel in 3 strikes, damage not immediately known.

Israel said it destroyed 100 Hezbollah rocket launchers in one of the most intense bombing raids into Lebanon since the war began.

Hezbollah launched an intense barrage of 140 rockets at northern Israel on Friday, responding to Israeli military actions. The attack followed a declaration by the group's leader, Hassan Nasrallah, who had vowed to retaliate for a massive bombing by Israel.

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.

Israel's military said the rockets came in three waves Friday afternoon targeting sites along the ravaged border with Lebanon.