At least 12 people were killed, including an 11-year-old boy and a 9-year-old girl, and more than 2,700 people injured in the coordinated explosions of pagers that belonged to Hezbollah members. A day later,

Hassan Nasrallah refused to say when or how Hezbollah would take revenge. As he spoke, Israeli fighter jets swooped low over Beirut.

Hezbollah leader Hassan Nasrallah is warning Israel will face “tough retribution” after the dramatic detonation of pagers and walkie-talkies that left at least 37 people dead and more than 3,300 injured across Lebanon this week.

STORY: The leader of the powerful Hezbollah militant group in Lebanon on Thursday blamed Israel for a stunning wave of deadly attacks that detonated thousands of electronic devices across the country.

It took years, three different shell companies, and an explosive called pentaerythritol tetranitrate, according to reports.

By Laila Bassam and Maya Gebeily BEIRUT (Reuters) -A Taiwanese pager maker denied on Wednesday that it had produced devices that wounded thousands of Hezbollah operatives in Lebanon when they exploded,

Pagers used by the militant group Hezbollah exploded near-simultaneously a day earlier in Lebanon and Syria, killing at least 12 people, including two children, and wounding nearly 3,000. Hezbollah and the Lebanese government blamed Israel for what appeared to be a sophisticated remote attack.

A Taiwanese company and its Hungarian partner on Wednesday reportedly denied making pagers that exploded while being used by Hezbollah members in Lebanon. A source close to Hezbollah, asking not to be identified,

Israel's Mossad spy agency planted a small amount of explosives inside 5,000 Taiwan-made pagers ordered by Lebanese group Hezbollah months before Tuesday's detonations, a senior Lebanese security source and another source told Reuters.