The deadly Hezbollah-pager explosions are causing mounting distrust, with some Lebanon residents abandoning their electronic devices.

WASHINGTON -- Israel warned U.S. Defense Secretary Lloyd Austin in a call Tuesday that a military operation was going to take place in Lebanon but gave no details, U.S. officials said Thursday. The same day of the call, in an attack widely blamed on Israel, thousands of pagers belonging to Hezbollah militants exploded.

Nine people were killed, including a child, and 2,800 were wounded when pager devices belonging to Hezbollah members exploded across Lebanon and parts of Syria on Tuesday, Lebanon's minister of health said on Tuesday.

Pagers used by hundreds of members of Hezbollah exploded almost simultaneously in Lebanon and Syria Tuesday, killing at least 12 people.

In a meticulously planned operation spanning 15 years, Israel reportedly targeted Hezbollah by manufacturing and rigging communication devices with explosives. Thousands were injured and at least nine people,

Pagers used by hundreds of members of the militant group Hezbollah exploded near simultaneously in Lebanon and Syria on Tuesday, killing at least nine people -- including an 8-year-old girl -- and wounding several thousand,

This week's explosions have also deepened concerns about the scope of potentially compromised devices, particularly after such bombings have killed or injured so many civilians. Here's what we know so far.

At around 3:30 in the afternoon on Tuesday, the pagers across Lebanon began beeping, delivering a message from Hezbollah leadership to their operatives through a chorus of chimes, melodies, and buzzes.

Where did the explosions take place? - At least nine people were killed and thousands have been injured after the devices exploded on Tuesday