حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّ عُمَرَ بْنَ الْخَطَّابِ، غُسِّلَ وَكُفِّنَ وَصُلِّيَ عَلَيْهِ وَكَانَ شَهِيدًا يَرْحَمُهُ اللَّهُ ‏.

Yahya related to me from Malik from Nafi from Abdullah ibn Umarthat Umar ibn al-Khattab was washed and shrouded and prayed over, yethe was a martyr, may Allah have mercy on him . Translation Not Available

Book reference: Muwatta Imam Malik Book 21 Hadith 997
Web reference: Muwatta Imam Malik Book 21 Hadith 36