Matthew 13:49-50

So will it be at the Close of the Age. The angels will go forth and separate the wicked from among the righteous,

Acts 12:23

Instantly an angel of the Lord struck him, because he had not given the glory to God, and being eaten up by worms, he died.

Revelation 6:15-16

The kings of the earth and the great men, the military chiefs, the wealthy and the powerful--all, whether slaves or free men--hid themselves in the caves and in the rocks of the mountains,

Revelation 19:17-18

And I saw a single angel standing in the full light of the sun, who cried in a loud voice to all the birds that flew across the sky, "Come and be present at God's great supper,

Treasury of Scripture Knowledge

Summary

And the LORD sent an angel, which cut off all the mighty men of valour, and the leaders and captains in the camp of the king of Assyria. So he returned with shame of face to his own land. And when he was come into the house of his god, they that came forth of his own bowels slew him there with the sword.

Bible References

Angel

Matthew 13:49
So will it be at the Close of the Age. The angels will go forth and separate the wicked from among the righteous,
Acts 12:23
Instantly an angel of the Lord struck him, because he had not given the glory to God, and being eaten up by worms, he died.

The leaders

Revelation 6:15
The kings of the earth and the great men, the military chiefs, the wealthy and the powerful--all, whether slaves or free men--hid themselves in the caves and in the rocks of the mountains,
Revelation 19:17
And I saw a single angel standing in the full light of the sun, who cried in a loud voice to all the birds that flew across the sky, "Come and be present at God's great supper,