The Republican leader of the Illinois House and five voters on Tuesday filed a lawsuit asking the state Supreme Court to throw out the legislative district map as unconstitutionally drawn to favor Democrats.

Republicans in the Illinois House say the state’s current legislative map is unconstitutional and illegally favors Democrats, and the GOP is asking the state’s Supreme Court to intervene.

A lawsuit has been filed with the Illinois Supreme Court in an effort to throw out the current legislative maps that the plaintiffs said are the result of extreme gerrymandering. The complaint, filed by State Rep.