Surah An-Naml, ayah 54

27:54

وَلُوطًا إِذۡ قَالَ لِقَوۡمِهِۦٓ أَتَأۡتُونَ ٱلۡفَٰحِشَةَ وَأَنتُمۡ تُبۡصِرُونَ ٥٤

Walūtan idh qāla liqawmihī ata'tūnal-fāhishata wa antum tubsirūn

And [mention] Lot, when he said to his people, "Do you commit immorality1081 while you are seeing?1082

Footnotes

1081 Homosexual acts.

1082 i.e., openly. Another meaning is "...while you are aware [that it is wrong]."