India, Nov. 10 -- Alaska Governor Mike Dunleavy has revealed that state authorities are investigating possible misconduct linked to the controversial candidacy of a second candidate named Dan Sullivan, as the state's closely contested U.S. Senate race continues to draw scrutiny.

Speaking on WABC radio's The Cats Roundtable on Sunday, the Republican governor said investigators were looking into potential violations, including actions that could amount to perjury.

"We are in the midst of investigations as to determine if there was any wrongdoing," Dunleavy said, according to Fox News, adding that authorities were examining "especially anything that might resemble perjury."

The controversy involves Daniel J. Sullivan Jr., a retired teache...