For the second time in as many days an unprecedented shocking attack on the Iran-backed

Lebanese militant group Hezbollah.

Yesterday Hezbollah pagers exploded.

Today it was walkie-talkies used by some group members.

Lebanese officials say the two attacks killed more than 20 and injured more than 3,000

people. Nick Schifrin is here now following that story Nick.

I'm a U.S. official confirms to me that Israel has briefed the United States,

that it was behind the attacks yesterday and today which hit Hezbollah even as it was bearing it's dead.

Today is thousands mourned at a Hezbollah funeral.

They had to plan another one.

Hezbollah walkie-talkies across the country exploded in Hezbollah members' hands,

in Beirut's cell phone shops, and turned scooters into char.

The attacks were aimed at Hezbollah militants but exploded in civilian

areas even in Beirut living rooms affecting families across the country. They

will further inflame Hezbollah and its followers.

One day after thousands of Hezbollah pagers blew up.

In markets, at cash registers, hitting militants where they're most vulnerable.

Hezbollah communications networks tonight apparently compromised,

and thousands of its rank and file injured the group in disorder and demoralized.

At the funerals today, a disorder and demoralized.

At the funerals today, a shocked and humbled Hezbollah vowed revenge.

This aggression inevitably has its own punishment. It has its own retribution. This punishment will come, God

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