945. hadíth
وَ إِنَّ رَجُلاً مِنَ اَلْأَنْصَارِ تَزَوَّجَ وَ هُوَ مُحْرِمٌ فَأَبْطَلَ رَسُولُ اَللَّهِ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ نِكَاحَهُ.
A man from the Ansar married while he was in the state of ihram, and the Messenger of Allah (swt) (peace and blessings be upon him and his family) invalidated his marriage.