U.S. Rep. Thaddeus McCotter says his campaign may have submitted insufficient petition signatures to appear on the August primary ballot.
The Livonia Republican is running for re-election in Michigan's 11th Congressional District.
McCotter announced on May 15 that he had filed the 2,000 nominating signatures required to seek election.
But on Friday, he released a statement saying his campaign "will thoroughly review" its "petition signatures for their sufficiency or insufficiency."
McCotter says an announcement on the findings of the review "will be made public on Tuesday."
McCotter is a conservative who first was elected to Congress in 2002. He ran for president last year, but his bid gained little traction after entering the contest in July.
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