Ad Dukhan, 10 Ayah
44:10
فَٱرۡتَقِبۡ يَوۡمَ تَأۡتِي ٱلسَّمَآءُ بِدُخَانٖ مُّبِينٖ ١٠
Fārtaqib Yawma Ta'tī As-Samā'u Bidukhānin Mubīnin
Then watch for the Day when the sky will bring a visible smoke.