(Thwaha) 20 : 62
فَتَنَازَعُوا أَمْرَهُمْ بَيْنَهُمْ وَأَسَرُّوا النَّجْوَىٰ

So they disputed over their affair among themselves and engaged in private conversation.

Read together with verses 58: 8-9. See explanation 4: 81.