Alva Review-Courier -

OKLAHOMA CITY (AP) — The only U.S. Senate seat up for grabs in Oklahoma drew a crowded field of challengers as the state's three-day filing period for political office ended Friday.

Four Democrats, three Republicans, two independents and a Libertarian filed this week to challenge Sen. Jim Inhofe for the seat. The Republican incumbent, who has held the seat since 1994, is seeking another six-year term.

All five of Oklahoma's U.S. House members drew challengers this cycle, although incumbent Reps. Frank Lucas in western Oklahoma's 3rd District and Kevin Hern in Tulsa's 1st District won't face Re...