I heard the Prophet ﷺ say, "You will fight the Jews, and you will be given victory over them, until a stone will say, 'Muslim, there is a Jew behind me, kill him.'"
حدثنا أبو اليمان أخبرنا شعيب عن الزهري أخبرني سالم بن عبد الله أن
سمعت النبي ﷺ يقول يقاتلكم يهود فتسلطون عليهم حتى يقول الحجر يا مسلم هذا يهودي ورائي فاقتله
Its isnad is sahih. Bukhari related it, 6:449-450, from Hakam bin Nafi Abu Yaman, with this isnad. Muslim related it, 2:71, through the route of Umar bin Hamza, from Salim, from Ibn Umar. Bukhari also related it, 6:75, and Muslim, 2:71, from the narration of Nafi, from Ibn Umar. See 5253.