Israeli military jets bombarded southern Lebanon Thursday, while Hezbollah struck sites in northern Israel, after mass walkie-talkie and pager explosions on Tuesday and Wednesday killed at least 37 people in Lebanon and injured thousands of others in what is widely believed to be a coordinated attack by Israel.

The strikes come after Hezbollah's leader vowed to take revenge on Israel who it accuses of an audacious attack on pagers and handheld radios.

Hezbollah on Friday launched around 140 rockets at northern Israel, a day after the Iran-backed militant group’s chief Hassan Nasrallah vowed to retaliate against Israel for the mass bombing attack. Israel’s military stated that the rockets came in three waves in the afternoon,