(18) باب النَّهْىِ عَنْ نَشْدِ الضَّالَّةِ، فِي الْمَسْجدِ وَمَا يَقُولُهُ مَنْ سَمِعَ النَّاشِدَ
Abu Huraira reported:
The Messenger of Allah (ﷺ) said: If anyone hears a man crying out in the mosque about something he has lost, he should say: May Allah not restore it to you, for the mosques were not built for this. (RU)
Reference (RU): Sahih Muslim 568 a (RU)
In-book reference (RU): Book 5, Hadith 98 (RU)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1153 (RU)