Yahya related to me from Malik that Abd ar-Rahman ibn al-Qasimsaid, "I heard Abdullah ibn Amir ibn Rabia say, 'I sometimes pray witrwhile hearing the iqama, or after the break of dawn.' " Abd ar-Rahmanwas not certain which he said.
App reference: Book 7, Hadith 27
USC-MSA web (English) reference: Book 7, Hadith 27
Arabic reference: Book 7, Hadith 281