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).  

أَنَّ رَجُلاً مِنَ الأَنْصَارِ قَذَفَ امْرَأَتَهُ فَأَحْلَفَهُمَا النَّبِيُّ ﷺ ثُمَّ فَرَّقَ بَيْنَهُمَا