Sunan of Abu Dawood Book 2, Hadith 941

حَدَّثَنَا عَمْرُو بْنُ عَوْنٍ، أَخْبَرَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ أَبِي حَازِمٍ، عَنْ سَهْلِ بْنِ سَعْدٍ، قَالَ كَانَ قِتَالٌ بَيْنَ بَنِي عَمْرِو بْنِ عَوْفٍ فَبَلَغَ ذَلِكَ النَّبِيَّ صلى الله عليه وسلم فَأَتَاهُمْ لِيُصْلِحَ بَيْنَهُمْ بَعْدَ الظُّهْرِ فَقَالَ لِبِلاَلٍ ‏"‏ إِنْ حَضَرَتْ صَلاَةُ الْعَصْرِ وَلَمْ آتِكَ فَمُرْ أَبَا بَكْرٍ فَلْيُصَلِّ بِالنَّاسِ ‏"‏ ‏.‏ فَلَمَّا حَضَرَتِ الْعَصْرُ أَذَّنَ بِلاَلٌ ثُمَّ أَقَامَ ثُمَّ أَمَرَ أَبَا بَكْرٍ فَتَقَدَّمَ قَالَ فِي آخِرِهِ ‏"‏ إِذَا نَابَكُمْ شَىْءٌ فِي الصَّلاَةِ فَلْيُسَبِّحِ الرِّجَالُ وَلْيُصَفِّحِ النِّسَاءُ ‏"‏ ‏.‏

sahl b. Sa'd said; Fighting took place amongst the tribe of Banu ‘Amr b. ‘Awf. This (the news) reached the prophet (May peace be upon him). He came to them for their reconciliation after the noon prayer . he said to Bilal; If the time of the afternoon prayer comes, and I do not return to you, then ask Abu Bakr to lead the people in prayer. When the time of the afternoon prayer came, Bilal called the Adhan and pronounced the Iqamah and then asked Abu Bakr (to lead the prayer). He stepped forward. The narrator reported this tradition to the same effect. In the end he (the prophet) said; if anything happens to you during prayer, the men should say" Glory be to Allah," and the women should clap