Riyad as-Salihin
Riyad as-Salihin 1759
Undesirability of offering optional Prayer after the announcement of Iqamah
Arabic hadith text
عن أبي هريرة رضي الله عنه عن النبي صلى الله عليه وسلم قال: "إذا أقيمت الصلاة، فلا صلاة إلا المكتوبة" ((رواه مسلم)).
Translation
Abu Hurairah (May Allah be pleased with him) said
The Prophet (ﷺ) said, "When the Iqamah is called, no prayer should be performed except the obligatory prayer."[Muslim].