Five signs have already come to pass: the smoke, the moon, the Romans, the seizure, and the lasting punishment, "so the punishment will be lasting" [Furqan 25:77].
خمس قد مضين: الدخان والقمر والروم والبطشة واللزام {فسوف يكون لزاما}
Bukhari related it in the tafsir (4767), and Muslim in the description of the Resurrection, Paradise, and Hellfire (2798:41), both of them through Sulayman Amash, who said, Muslim bin Sabih Abu Duha narrated to us, from Masruq, who said, Abdullah said, then he related it.