24:2
اَلزَّانِيَةُ وَالزَّانِيۡ فَاجۡلِدُوۡا كُلَّ وَاحِدٍ مِّنۡهُمَا مِائَةَ جَلۡدَةٍࣕ وَّلَا تَاۡخُذۡكُمۡ بِهِمَا رَاۡفَةٌ فِيۡ دِيۡنِ اللّٰهِ اِنۡ كُنۡتُمۡ تُؤۡمِنُوۡنَ بِاللّٰهِ وَالۡيَوۡمِ الۡاٰخِرِۚ وَلۡيَشۡهَدۡ عَذَابَهُمَا طَآئِفَةٌ مِّنَ الۡمُؤۡمِنِيۡنَ
The [unmarried] woman or [unmarried] man found guilty of sexual intercourse - lash each one of them with a hundred lashes, and do not be taken by pity for them in the religion of Allah, if you should believe in Allah and the Last Day. And let a group of the believers witness their punishment