Nafi' (may Allah have mercy on him) narrates that Ibn Umar (may Allah be pleased with them both) kept himself apart at Mina during the fighting of Ibn al-Zubayr, while al-Hajjaj was at Mina, and he prayed with al-Hajjaj.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5301