Unity of disbelievers in opposition to truth

وَثَمُودُ وَقَوْمُ لُوطٍ وَأَصْحَـٰبُ لْـَٔيْكَةِ ۚ أُو۟لَـٰٓئِكَ ٱلْأَحْزَابُ

And [the tribe of] Thamūd and the people of Lot and the companions of the thicket [i.e., people of Madyan]. Those are the companies.