Tuesday is Election Day in Oklahoma. The polls are open until 7 p.m.
In eastern Oklahoma, the 1st Congressional district features Republican congressman John Sullivan facing a challenge from Tulsan Jim Bridenstine.
The winner will face Democrat John Olson and Independent candidate Craig Allen in November.
Voters in Oklahoma's 2nd Congressional district are deciding between six Republicans and three Democrats.
Current Democratic congressman Dan Boren, announced in 2011 he was not going to run for a 5th term.
The winners of Tuesday's election will face an Independent candidate in November.
In state legislative races, primary winners in 13 state House races and four state Senate districts will win the seat since no one from the opposite party filed for the post.
If needed, runoff elections will be August 28, 2012.
The latest results, check with NewsOn6.com starting at 7 p.m.