Primary Day started with problems at the Detroit polls as some locations did not have workers and voters couldn't get in.
The polls are still open, but there have not been many voters. There are plenty of incumbents on the ballot but only a few are expected to have a tense night.
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Detroit Mayor Mike Duggan and State Sen. Coleman Young are almost certain to survive the primary and move to a head to head contest in November.
City Council president Brenda Jones looks like a shoo-in to advance to the general election and most of the eight other city council members should survive primary challenges.
The council member most in danger is George Cushingberry. His first term on the council was filled with missteps and controversy. He faces strong challenges from retired police officer Roy McCalister and former State Sen. Virgil Smith who became a candidate after he was released from jail for shooting up his ex-wife's car.
City Clerk Janice Winfrey faces some noteworthy competition in former Detroit branch NAACP executive Heaster Wheeler and political newcomer Garlin Gilchrist.
But the tightest race of the night will be to replace disgraced former State Rep Brian Banks. Nearly a dozen Democrats are running for the party's nomination in the 1st House District. Whoever takes that nomination is almost certain to win the general election and will represent Harper Woods, Detroit's east side and the Grosse Pointes.
The polls are open until 8 p.m.