Beirut, Lebanon - Nine people were killed and over 300 wounded Wednesday when walkie-talkies exploded across Lebanon, the government said, a day after pagers used by Hezbollah blew up, killing 12 and wounding up to 2,800.

The group blamed Israel for the first wave of blasts on Tuesday, vowing revenge and stoking fears of all-out war in the region.

"The new wave of walkie-talkie explosions... killed nine people and wounded more than 300," the health ministry said in a statement.

A source close to the group said walkie-talkies used by its members exploded in its Beirut stronghold during the funerals of Hezbollah members killed in Tuesday's blasts.

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"A number of walkie-talkies exploded in Beirut's southern suburbs," the source said, with Hezbollah-affiliated rescuers confirming devices had exploded inside two cars in the area.

The explosions caused panic, according to an AFP photographer covering the funerals.

Lebanon's state-run National News Agency reported "pagers" and "devices" had also exploded in Hezbollah strongholds in the east and south, with AFP correspondents hearing explosions in those regions.

A hospital source in the eastern city of Baalbek told AFP that 25 people had been wounded after walkie-talkies exploded.

Fourteen people were killed and more than 450 wounded Wednesday when walkie-talkies exploded across Lebanon.

"The wave of enemy explosions that targeted walkie-talkies... killed 14 people and wounded more than 450," the ministry said in a statement.

Hamas also blamed Israel for the second wave, saying in a statement, "We strongly condemn the renewed and ongoing Zionist aggression against the brotherly Lebanese people."