CHICAGO (CBS) — Directors of the union that represents rank-and-file Chicago police officers have removed the lodge’s president.

The 15-11 vote of the board of directors of Fraternal Order of Police Lodge 7 occurred Tuesday night, three months after then-President Michael Shields claimed that three recent police contracts were rigged by City Hall, union bosses and an independent arbitrator to favor the city.

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Shields’ accusations include two FOP contracts and one covering Chicago Police sergeants; he has said he sent the letter in which the accusation was made because the city and union are nearing arbitration on a new contract. The labor attorney representing the city in those negotiations, James Franczek, denied the accusations and called the letter “outrageous.”

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Acting President Bill Dougherty did not cast a vote, said a source familiar with what happened.

The union is already taking steps to name a permanent successor. Ballots were sent to FOP members late last month, and will be counted Friday. If no candidate obtains a 51 percent majority in the five-candidate field, the top two vote-getters will face each other in a runoff.

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Shields sought a court order seeking to place his name on the FOP ballot, claiming that he was being punished for writing the letter, but a judge denied his moti