1 Chronicles 21:15 in the King James Version
And God sent an angel unto Jerusalem to destroy it: and as he was destroying, the LORD beheld, and he repented him of the evil, and said to the angel that destroyed, It is enough, stay now thine hand. And the angel of the LORD stood by the threshingfloor of Ornan the Jebusite.
Context
14 So the LORD sent a pestilence on Israel, and seventy thousand men of Israel fell.
15 God sent an angel to Jerusalem to destroy it. As he was about to destroy, the LORD saw, and he relented of the disaster, and said to the destroying angel, “It is enough. Now withdraw your hand.” the LORD’s angel was standing by the threshing floor of Ornan the Jebusite.
16 David lifted up his eyes, and saw the LORD’s angel standing between earth and the sky, having a drawn sword in his hand stretched out over Jerusalem. Then David and the elders, clothed in sackcloth, fell on their faces.