(CNN) – An affront organized by the United Auto Workers Friday is scheduled to criticize Mitt Romney's auto industry stances ahead of a speech in Detroit from the Republican presidential candidate.
Members and supporters of the UAW will rally in the city accompanied by 26 American made cars spelling out "Let Detroit Go Bankrupt," a reference to a 2008 article by Romney, according to an ally supporting the event.
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The efforts are intended as a reminder that "Michiganders won't forget how in their time of need he [Romney] turned his back on the American Auto Industry and turned his back on them."
Romney advocated a managed bankruptcy for the auto industry in 2008, before Michigan-based auto companies received federal financing as part of a bankruptcy process. He is frequently criticized for the stance but has said the companies should have addressed the problems on their own instead of receiving federal aid to whether the economic downturn.
Romney, a native of Michigan, is scheduled to deliver a speech at the Detroit Economic Club Friday. The state holds its GOP presidential primary on Tuesday.
Team Romney said union attacks on him are evidence "they know he will end the sweetheart deals they have enjoyed under President Obama."
"Mitt Romney has fought labor bosses before and he will fight them again," Andrea Saul said in an email.
– CNN Political Editor Paul Steinhauser contributed to this report.