Ex-Lake County Sheriff Mark Curran claims victory in crowded GOP race to take on Sen. Durbin

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Former Lake County Sheriff Mark Curran has come out victorious in the Illinois Republican Senate primary race that featured five candidates vying for a chance to battle Democratic U.S. Sen. Dick Durbin in the November general election.

With more than three quarters of precincts reporting Tuesday evening, Curran proclaimed victory as he carried a healthy 18-percentage point lead with more than 41% of the vote. Retired IRS analyst Peggy Hubbard was running in second place with 23%.