State police are looking into Michigan's 76th District race after a man who filed to run as a Democrat withdrew and the Democratic incumbent switched parties.
A state police spokeswoman said Friday that the Kent County prosecutor's office requested the probe.
An affidavit was submitted Thursday withdrawing Matt Mojzak from the race for the House seat. He filed to run two days earlier as a Democrat.
Incumbent Roy Schmidt announced his switch to the Republican party just before Tuesday's filing deadline. The move angered Democrats who were unable to recruit a replacement.
Michigan Democratic chairman Mark Brewer called for an investigation into possible election fraud.
The Associated Press left calls Friday evening seeking comment from Mojzak and Schmidt.
The 76th District covers parts of Grand Rapids and Kent County.
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