So what happens if he resigns? Who fills that seat?

U.S. Rep. Rick Renzi, R-Ariz., could soon step down in the wake of a federal investigation into his involvement in a federal land swap deal and FBI raids of an insurance agency owned by his wife.

His resignation could come as early as Friday or soon after, according to sources familiar with the matter.

Top Republicans, including U.S. Sen. Jon Kyl, have been meeting to discuss what they will do if Renzi resigns and his rural congressional seat opens up.

Republican leaders also are starting to encourage Renzi to resign, saying a prolonged investigation will hurt the party’s chances of holding onto his Arizona seat, according to knowledgeable sources.

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