A Palestinian student pushes a burning tire towards Israeli soldiers September 19. Clashes erupted after a demonstration by students who gathered to pay homage and protest the killing by Israeli forces of two leaders of the Islamic group Hamas. Meanwhile, U.S. Middle East envoy Dennis Ross was due to meet Palestinian President Yasser Arafat and Israeli Prime Minister Benjamin Netanyahu later on Saturday in a last-ditch effort to seal differences over a further West Bank redeployment.

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