Jude 1:6-7 NIV

6 And the angels who did not keep their positions of authority but abandoned their own home--these he has kept in darkness, bound with everlasting chains for judgment on the great Day.1

References for Jude 1:6

7 In a similar way, Sodom and Gomorrah2 and the surrounding towns3 gave themselves up to sexual immorality and perversion. They serve as an example of those who suffer the punishment of eternal fire.4

References for Jude 1:7