Eusebius of Caesarea
Catena Aurea · Lukasevangelium 17
And as it was in the days of Noe, so shall it be also in the days of the Son of man. They did eat, they drank, they married wives, they were given in marriage, until the day that Noe entered into the ark, and the flood came, and destroyed them all. Likewise also as it was in the days of Lot; they did eat, they drank, they bought, they sold, they planted, they builded; But the same day that Lot went out of Sodom it rained fire and brimstone from heaven, and destroyed them all. Even thus shall it be in the day when the Son of man is revealed.
He does not say that fire came down from heaven upon the wicked Sodomites before that Lot went out from them, just as the deluge did not swallow up the inhabitants of the earth before that Noah entered the ark; for as long as Noah and Lot dwelt with the wicked, God suspended His anger that they might not perish together with the sinners, but when He would destroy those, He withdrew the righteous. So also at the end of the world, the consummation shall not come before all the just are separated from the wicked.