Narrated Zainab bint Jahsh:That the Prophet (ﷺ) came to her in a state of fear saying, "None has the right to be worshiped but Allah! Woe to the Arabs because of evil that has come near. Today a hole has been made in the wall of Gog and Magog as large as this." pointing with two of his fingers making a circle. Zainab said, "I said, 'O Allah's Messenger (ﷺ)! Shall we be destroyed though amongst us there are pious people? ' He said, 'Yes, if evil increases."
حَدَّثَنَا أَبُو الْيَمَانِ، أَخْبَرَنَا شُعَيْبٌ، عَنِ الزُّهْرِيِّ، قَالَ حَدَّثَنِي عُرْوَةُ بْنُ الزُّبَيْرِ، أَنَّ زَيْنَبَ ابْنَةَ أَبِي سَلَمَةَ، حَدَّثَتْهُ أَنَّ أُمَّ حَبِيبَةَ بِنْتَ أَبِي سُفْيَانَ حَدَّثَتْهَا عَنْ زَيْنَبَ بِنْتِ جَحْشٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم دَخَلَ عَلَيْهَا فَزِعًا يَقُولُ " لاَ إِلَهَ إِلاَّ اللَّهُ، وَيْلٌ لِلْعَرَبِ مِنْ شَرٍّ قَدِ اقْتَرَبَ، فُتِحَ الْيَوْمَ مِنْ رَدْمِ يَأْجُوجَ وَمَأْجُوجَ مِثْلُ هَذَا ". وَحَلَّقَ بِإِصْبَعِهِ وَبِالَّتِي تَلِيهَا، فَقَالَتْ زَيْنَبُ فَقُلْتُ يَا رَسُولَ اللَّهِ أَنَهْلِكُ وَفِينَا الصَّالِحُونَ قَالَ " نَعَمْ، إِذَا كَثُرَ الْخَبَثُ ".
Bukhari
Virtues and Merits of the Prophet (pbuh) and his Companions • Hadith 106