גַּם־בָּבֶ֕ל לִנְפֹּ֖ל חַֽלְלֵ֣י יִשְׂרָאֵ֑ל גַּם־לְבָבֶ֥ל נָפְל֖וּ חַֽלְלֵ֥י כָל־הָאָֽרֶץ׃
As Babylon hath caused the slain of Israel to fall, So at Babylon shall fall the slain of all the land.
Rashi on Jeremiah
As Babylon was [a cause] for the slain of Israel to fall therein.