Sahih al-Bukhari 7091
Sahih al-Bukhari · Book 92: Afflictions and the End of the World · To seek refuge with Allah from Al-Fitan
Narrated Anas:
وَقَالَ لِي خَلِيفَةُ حَدَّثَنَا يَزِيدُ بْنُ زُرَيْعٍ ، حَدَّثَنَا سَعِيدٌ ، وَمُعْتَمِرٌ ، عَنْ أَبِيهِ ، عَنْ قَتَادَةَ ، أَنَّ أَنَسًا ، حَدَّثَهُمْ عَنِ النَّبِيِّ صلى الله عليه وسلم بِهَذَا وَقَالَ عَائِذًا بِاللَّهِ مِنْ شَرِّ الْفِتَنِ .
The above hadith is narrated on the authority of Anas thorugh another chain and he said (with the wording) "seeking refuge with Allah from the evil of afflictions."