And there was war in heaven. Michael1 and his angels fought against the dragon,2 and the dragon and his angels3 fought back.
References for Revelation 12:7
But he was not strong enough, and they lost their place in heaven.
The great dragon was hurled down--that ancient serpent4 called the devil,5 or Satan,6 who leads the whole world astray.7 He was hurled to the earth,8 and his angels with him.
References for Revelation 12:9