It is narrated from Ata bin Yasar (may Allah be pleased with him) that the Prophet (ﷺ) pronounced the takbeer in one of the prayers, then gestured with his hand, "Wait," then returned, and there were traces of water on his skin.
Hadith Referenceمسند الإمام الشافعي / كتاب الصلاة / 323
Hadith Takhrijإسناده ضعيف لإرساله : أخرجه البيهقي في معرفة السنن والآثار : 1214 ۔ والبغوي في شرح السنة: 854۔