DEIR AL-BALAH, Gaza Strip (AP) — Battles raged across Gaza on Sunday as Israel indicated it was prepared to fight for months or longer to defeat the territory’s Hamas rulers, and a key mediator said willingness to discuss a cease-fire was fading.

       Israel faces international outrage after its military offensive, with diplomatic support and arms from close ally the United States, has killed thousands of Palestinian civilians. About 90% of Gaza’s 2.3 million people have been displaced within the besieged territory, where U.N. agencies say there is no safe place to flee.

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       The United States has lent vital support in recent days by vetoing a United Nations Security Council effort to end the fighting and pushing through an emergency sale of over $100 million worth of tank ammunition to Israel.