Israel warns of long Gaza war, as militants storm Israel

EDITORS PLEASE NOTE: CONTAINS GRAPHIC CONTENT

Blood spills across Gaza.

At least 10 people including eight children are killed in an explosion at a refugee camp.

Israel denies responsibility, saying it was a misfire by a rocket launched by Hamas militants.

And in southern Israel, a mortar strike kills four people, and wounds many more.

An unofficial truce for the holiday of Eid has collapsed.

And Israeli Prime Minister Benjamin Netanyahu warns of a protracted campaign:

(SOUNDBITE) (Hebrew) ISRAELI PRIME MINISTER BENJAMIN NETANYAHU, SAYING:

"Stamina and determination are required in order to continue in the struggle against a murderous terrorist group that aspires to destroy us."

Israeli tanks assemble at the border. Palestinian fighters slip into an Israel village. Flares light up Gaza's skyline.

And the international community is scrambling to help bring peace:

(SOUNDBITE) (English) SECRETARY OF STATE JOHN KERRY SAYING: