Israel has opened fire on militants in Gaza, launching airstrikes in retaliation for rockets.

FOX News Radio's Emily Wither reports from Jerusalem:

After months of rocket fire from Gaza, Israel has launched Operation "Pillar of Defense". It began with a pinpoint assassination on the top military commander for Hamas, Ahmed Jabari. 

A series of airstrikes in Gaza city followed killing eight people, including two children. Israel says this is just the beginning:

(Regev) "We are now targeting in a surgical manner the Hamas military infrastructure."

That's the Israeli Prime Ministers spokesperson Mark Regev. The Palestinian President is calling for an urgent Arab League meeting.

In Jerusalem, Emily Wither, FOX News Radio.

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