‏الصلاة : Hadeeth No:945 Abu Bakr b. 'Abd al-Rahman reported that he had heard Abu Huraira say that the Messenger of Allaah (sallAllaahu alayhi wa sallam) said like it, but he substituted" the aged" for 'the infirm"....

‏الفتن وأشراط الساعة‏ : Hadeeth No:6982 Ubaidullah has reported this hadith with this chain of transmitters (and the Words are):" There is a Jew behind me."...