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Illinois voters cast their primary ballots

Jim Young / Reuters

A voter emerges from the voting booth after casting her ballot in the Republican presidential primary at a laundromat being used as a polling station in Chicago, Illinois, March 20.

Scott Olson / Getty Images

Wiley Corbin casts his vote at a polling place inside the El Mamey Bar on March 20, in Chicago, Illinois. Voter turnout is expected to be low. The polling place inside the El Mamey Bar had seen six voters in it's first 3.5 hours of operation.

Don Emmert / AFP - Getty Images

Landon Peterson peeks out of the voting booth while his mother Meghan votes March 20, at Christian union Church in Metamora, Illinois. White House hopeful Mitt Romney eyed a big win in President Barack Obama's home state Tuesday as he sought to clinch the Republican nomination and focus on November's general election. Polls across Illinois opened for the state primary at 6:00 am (1100 GMT) with former Massachusetts governor Romney the odds-on favorite to win.

John Gress / Getty Images

Kiwana Annons casts her ballot at South Chicago Dodge Chrysler Jeep in the state primary on March 20, in Chicago, Illinois. Republican presidential candidates spent the week campaigning leading up to the state's primary elections, when 54 GOP delegates are up for grabs. With former Massachusetts Gov. Mitt Romney in the lead on delegates, fellow candidate, former Pennsylvania Sen. Rick Santorum continues to compete for the 1,444 necessary to secure the nomination before the last primary, in Utah on June 26.


Click here for the latest political news as the Republican hopefuls hunt for delegates in Illinois.