Yahya related to me from Malik that Abdullah ibn Umar heard theiqama while he was in Baqi, so he increased his pace of walking to themosque. (RU)
App reference (RU): Book 3, Hadith 10 (RU)
USC-MSA web (English) reference: Book 3, Hadith 10 (RU)
Arabic reference (RU): Book 3, Hadith 156 (RU)