By Chris Megerian
May 13, 2013, 7:11 p.m.

California unions are increasing their opposition to any sale of the Los Angeles Times and other Tribune Co. newspapers to the Koch brothers, urging the City Council to oppose such a deal and planning a protest for Tuesday.

Charles and David Koch, wealthy siblings who fund conservative causes, are said to be interested in buying the newspapers.

Two union leaders sent a letter to members of the Los Angeles City Council on Monday night, urging members to speak out against the Koch brothers and to consider divesting pension funds from firms that own The Times if the newspaper is sold to the men.

“The Koch Brothers’ America is one not consistent with the policies and values of the city of Los Angeles,” said the letter, signed by Art Pulaski of the California Labor Federation and Maria Elena Durazo of the Los Angeles Federation of Labor, AFL-CIO.

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