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Representative Steve King, a Republican from Iowa who has a history of making inflammatory remarks, barred the state’s largest newspaper from covering his election night event on Tuesday.

Carol Hunter, the executive editor of the newspaper — The Des Moines Register — said Mr. King’s son Jeff King denied a request for credentials to the event, calling the newspaper in an email a “leftist propaganda media outlet with no concern for reporting the truth.”

Mr. King narrowly defeated his Democratic opponent, J. D. Scholten, earning a ninth term in Congress, according to The Associated Press. Jeff King is a paid staff member on his father’s campaign.