Volume 9 · Book 88 · Hadith 244
Narrated Hudhaifa: The Prophet said about Ad-Dajjal that he would have water and fire with him: (what would seem to be) fire, would be cold water and (what would seem to be) water, would be fire.
— Sahih Bukhari, Volume 9, Book 88: Afflictions and the End of the World, Hadith #244