Israel’s apparent ability to infiltrate global supply chains has sent ripples of fear through Iran’s network of armed groups across the Middle East.

So far, the attacks that targeted Iran-backed Lebanese militant group Hezbollah members through their pagers have had devastating consequences. At least nine people, including an eight-year-old girl,

Pagers, used every day by health care professionals, became a deadly weapon Tuesday as thousands of them simultaneously exploded in Lebanon.

Lebanon blamed Israel for attacks on Hezbollah that killed 37 and wounded around 3,000, wreaking havoc on the militant group.

Post national security reporter Shane Harris breaks down the Israeli attacks on thousands of Hezbollah pagers and radios on Sept. 17 and 18.

Bulgaria and Norway became new focal points on Thursday of a global hunt for who supplied Hezbollah with the thousands of pagers that exploded in Lebanon this week in a deadly blow to the militant group.

In Lebanon, exploding pagers and booby-trapped walkie-talkies – believed to be set off by Israel – have rattled Hezbollah and captured the world’s attention. What do they portend?

It’s a serious question, now that hundreds of devices have exploded in the hands and hip pockets of people in Lebanon, allegedly by remote control from Israel.