It will not be but one blast, and at once they are all brought present before Us.
The Saheeh International Quran Translation
إِن كَانَتْ إِلَّا صَيْحَةً وَٰحِدَةً فَإِذَا هُمْ جَمِيعٌ لَّدَيْنَا مُحْضَرُونَIt will not be but one blast, and at once they are all brought present before Us.