حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، كَانَ إِذَا رَعَفَ انْصَرَفَ فَتَوَضَّأَ ثُمَّ رَجَعَ فَبَنَى وَلَمْ يَتَكَلَّمْ ‏.‏

Yahya related to me from Malik from Nafi that Abdullah ibn Umarwould leave and do wudu if he had a nose-bleed and then return andcomplete his prayer without saying anything. Translation Not Available

Book Ref: Muwatta Imam Malik Book 2 Hadith 78
Web Ref:  Muwatta Imam Malik Book 2 Hadith 48