The Democrat-controlled Illinois Senate has approved new congressional districts that try to erase Republican election gains.
The 34-25 vote Tuesday sends the map to Gov. Pat Quinn.
Lawmakers are rushing to wrap up the once-a-decade task of drawing new political boundaries based on the latest census.
Democrats are leading the process because they control the Legislature and the governor's office.
The proposed map lumps at least four freshman Republicans and one veteran into districts where they would have to run against other incumbents.
Former Democratic Congressman Bill Foster announced Tuesday he would run for re-election in a new congressional district in the Chicago suburbs.