It is narrated from Nafi' (may Allah have mercy on him) that Ibn Umar (may Allah be pleased with him) was in Baqi', and when he heard the iqamah, he hurried towards the mosque.
Hadith Referenceمسند الإمام الشافعي / كتاب الصلاة / 273
Hadith Takhrijأخرجہ عبد الرزاق : 3411 و ابن ابی شیبہ : 7395۔