Surah Yasin, ayah 49

36:49

مَا يَنظُرُونَ إِلَّا صَيۡحَةٗ وَٰحِدَةٗ تَأۡخُذُهُمۡ وَهُمۡ يَخِصِّمُونَ ٤٩

Mā yanzurūna illā sayhatan wāhidatan ta'khudhuhum wahum yakhissimūn

They do not await except one blast1273 which will seize them while they are disputing.

Footnotes

1273 Literally, "cry" or "shriek," meaning the first blast of the Horn which will strike dead every living thing on the earth without warning.