It was narrated that Abu Hurairah said:
"I heard the Messenger of Allah (ﷺ) say: 'Perform Wudu' from that which has been touched by fire.'" (RU)
English reference (RU): Vol. 1, Book 1, Hadith 171 (RU)
Arabic reference (RU): Book 1, Hadith 172 (RU)