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SPRINGFIELD, Ill. — A central Illinois lawmaker says he’s sponsoring legislation proposing the separation of Chicago from Illinois to spark discussion about the overarching influence of the city in state politics.

The State Journal-Register reports Republican state Rep. C.D. Davidsmeyer says the bill would urge Congress to make the nation’s third-largest city its own state.

Davidsmeyer says he recognizes the relationship between Chicago and the state is mutually beneficial but that he’s frustrated with city-focused policies he says can steer economic opportunity away from rural Illinois.

Critics say the measure would amplify divisions in Illinois.

The measure has no chance of passing the Democratic-controlled Legislature.

Under the U.S. Constitution, Congress and the state Legislature must endorse the formation of a new state from a portion of a current state.