Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
suyuti:2-310bʿUmar b. al-Khaṭṭāb
Request/Fix translation

  

السيوطي:٢-٣١٠b

"عَنْ عُمَرَ بْنِ الْخَطَّابِ أَنَّهُ قَالَ لِرَجُلٍ مِنْ أَهْلِ مِصْرَ: لَيأتِيَنَّكُمْ أَهْلُ الأَنْدَلُس حَتَّى يُقَاتِلُوكُمْ بِرُسْتُمَ حَتَّى تَرْكُضَ الخَيْلُ فِى الدَّمِ الَّذِى بَيْنَهَا ثُمَّ يَهْزِمهُمُ الله".  

نعيم بن حماد، وابن عبد الحكم في فتوح مصر