Revelation 9:1

1AndΚαὶtheὁfifthπέμπτοςangelἄγγελοςsounded [his] trumpetἐσάλπισεν·andκαὶI sawεἶδονa starἀστέραout ofἐκτοῦheavenοὐρανοῦhaving fallenπεπτωκόταtoεἰςtheτὴνearthγῆν,andκαὶwas givenἐδόθηto itαὐτῷtheἡkeyκλεὶςof theτοῦpitφρέατοςof theτῆςabyssἀβύσσου·

And the fifth angel sounded [his] trumpet, and I saw a star having fallen out of heaven to the earth, and the key of the pit of the Abyss was given to it.