Question: Who lead the Persians into a coalition with the Medes, Babylon, Scythians, and Cimmerians to fight against the Assyrians?
Sentence: Under king Cyaxares, the Medes and Persians entered into an alliance with Nabopolassar of Babylon, as well as the Scythians and the Cimmerians, and together they attacked the Assyrian Empire.
Answer in sentence: yes