Mughith bin Sami narrates: Sayyiduna Abdullah bin Zubair (may Allah be pleased with him) led us in the Fajr prayer in darkness. I turned towards Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) and I asked: Which prayer is this? He replied: This is our prayer performed following the example of the Prophet (peace be upon him), Sayyiduna Abu Bakr (may Allah be pleased with him), and Sayyiduna Umar (may Allah be pleased with him). When Sayyiduna Umar (may Allah be pleased with him) was martyred, Sayyiduna Uthman Ghani (may Allah be pleased with him) began to perform it in the light.
Hadith Referenceصحیح ابن حبان / كتاب الصلاة / 1496
Hadith Gradingفضيلة الشيخ الإمام محمد ناصر الدين الألبانيصحيح - «الإرواء» (1/ 279).فضيلة الشيخ العلّامة شُعيب الأرناؤوطإسناده صحيح