Sahih al-Bukhari 5306
Sahih al-Bukhari · Book 68: Divorce · Commanding those who are involved in a case of Li'an to take the oath.
Narrated `Abdullah:
حَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلُ ، حَدَّثَنَا جُوَيْرِيَةُ ، عَنْ نَافِعٍ ، عَنْ عَبْدِ اللَّهِ ـ رضى الله عنه ـ أَنَّ رَجُلاً مِنَ الأَنْصَارِ قَذَفَ امْرَأَتَهُ فَأَحْلَفَهُمَا النَّبِيُّ صلى الله عليه وسلم ثُمَّ فَرَّقَ بَيْنَهُمَا.
An Ansari man accused his wife (of committing illegal sexual intercourse). The Prophet (ﷺ) made both of them takes the oath of Lian, and separated them from each other (by divorce).