Surah Al-Jinn, ayah 19

72:19

وَأَنَّهُۥ لَمَّا قَامَ عَبۡدُ ٱللَّهِ يَدۡعُوهُ كَادُواْ يَكُونُونَ عَلَيۡهِ لِبَدٗا ١٩

Wa annahū lammā qāma 'abdullāhi yad'ūhu kādū yakūnūna 'alayhi libadā

And that when the Servant [i.e., Prophet] of Allāh stood up supplicating Him, they almost became about him a compacted mass."1774

Footnotes

1774 Crowding on top of each other in the manner of locusts in order to hear him (ﷺ). "They" may refer to the jinn or to the disbelievers among the Arabs.