Narrated from Sayyiduna Abdullah bin Umar, may Allah be pleased with him, that the Messenger of Allah, peace and blessings be upon him, said: "You will fight the Jews until a Jew will hide behind a stone, and the stone will say: O servant of Allah (Muslim)! There is a Jew hiding behind me. Kill him." In another narration, it is said that the Messenger of Allah, peace and blessings be upon him, said: "The Hour will not be established until you fight the Jews..." Then the rest of the hadith was narrated.