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2 Peter 2:4

New International Version 1984 (NIV1984)

 4 For if God did not spare angels when they sinned, but sent them to hell, putting them into gloomy dungeons to be held for judgment;

From BibleGateway.com: http://www.biblegateway.com/passage/?search=2 Peter 2:4 &version=NIV1984

Jude 1:6

New International Version 1984 (NIV1984)

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.

From BibleGateway.com: http://www.biblegateway.com/passage/?search=Jude 1:6 &version=NIV1984