Jeremiah 51:4

Thus the slain shall fall in the land of the Chaldeans, and they that are thrust through in her streets.

Cross-reference

Jeremiah 50:30 repeats the same image of young men falling in Babylon's streets, reinforcing the certainty of judgment on Chaldea.

Isaiah 21:2 Historical context

Isaiah 21:2 describes Elam and Media attacking Babylon — the same historical event where the slain fall in Jeremiah 51:4.

Isaiah 13:15 describes Babylon's fall with sword imagery — whoever is found is thrust through, paralleling the slain in Chaldea.