Muwatta Malik, Book 20, Hadith 122 (USC-MSA)

Yahya related to me from Malik from Yahya ibn Said that Umar ibn al-Khattab refused to let one man who had not taken leave of the House pass adh-Dhahran, (a valley eighteen miles from Makka) until he had taken leave of it.

وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، ‏.‏ أَنَّ عُمَرَ بْنَ الْخَطَّابِ، رَدَّ رَجُلاً مِنْ مَرِّ الظَّهْرَانِ لَمْ يَكُنْ وَدَّعَ الْبَيْتَ حَتَّى وَدَّعَ ‏.‏

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also referenced under: Book 20, Hadith 825 (In-Book)