West Virginia Rep. Shelley Moore Capito is expected to announce that she won’t run for the late Sen. Robert Byrd’s seat.

Washington (CNN) - Republican Rep. Shelley Moore Capito of West Virginia announced Wednesday that she won't run this autumn for the late Sen. Robert Bryd's seat.

"I will not be a candidate for U.S. Senate this year, and with the voters support, I intend to serve my full term in the House of Representatives and not run for any other office until 2012," Capito said in a statement.

West Virginia Gov. Joe Manchin announced Tuesday that he is running for the seat.

Manchin's announcement came one day after the West Virginia state legislature approved a plan to hold a special election in November to fill Byrd's seat. Late Monday night, Manchin - a popular two-term Democratic governor - signed the measure after a compromise worked out by state lawmakers won final approval. The primary contests will be August 28 and the general election for Byrd's successor will take place as part of the congressional mid-term contests on November 2.

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