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.

Since the onset of hostilities between Israel and Hezbollah on October, 8 Beirut has been hit three times. The escalation began when Hezbollah launched

According to reports from senior Lebanese security sources, the explosions were caused by small amounts of explosives hidden inside 5,000 Taiwan-made pagers ordered by Hezbollah five months before the incident.