It's former subjects took advantage of these events, and it was besieged, conquered, and sacked by allied forces of Medes, Scythians, Babylonians, Chaldeans, Persians and Elamites.
It's former subjects took advantage of these events and freed themselves from the Assyrian yoke. Assyria was attacked in 616 BC by allied forces of Medes, Scythians, Babylonians, Chaldeans, Persians, Cimmerians and Elamites.