(MSC News)--Voters went to the polls Tuesday in Kansas to determine which candidates should advance to the general election ballot in November. 

Locally, there were contested races in the Republican primary for 1st District County Commissioner in Brown, Doniphan, Jackson, Nemaha and Pottawatomie Counties.  In addition, voters in Doniphan County faced a special sales tax question.

In Brown County, incumbent Commissioner Steve Roberts won a three-way race on the Republican ticket with 44 percent of the vote. He was challenged by Richard Lehmkuhl, who garnered 35 percent of the vote and Tom Williams, who received 21 percent. Roberts will face no opposition in November.

In Doniphan County, Timothy Collins was the top vote getter in a four-way Republican primary race. However, only 4 votes separated him and Bill Becker on election nite so provisional ballots could play a role in the final outcome.    The winner of the Republican primary will face Democrat W. Brett Neibling in the November general election.

Doniphan County voters also approved the renewal of the countywide one-percent sales tax for another five year period by a more than 170-vote margin.

In Jackson County, Rod Ladner won a three-way race for the Republican nomination for 1st District commissioner with 48 percent of the vote.  Steven Duryea received 32 percent and Bob McNicholas, 20 percent.  Ladner will now face incumbent Democrat Ed Katherns in November.

In Nemaha County, Incumbent Commissioner Gary Scoby won the Republican primary, receiving 54 percent of the vote.  He will face no opposition in November.

In the race for 22nd Judicial District Magistrate Judge in Nemaha County, incumbent Elizabeth Deiter won the Republican primary, receiving 51 percent of the vote.  She will face no opposition in November.

In Pottawatomie County, Dee McKee defeated incumbent Commissioner Gary Yenzer to win the Republican nomination.

The results are unofficial until they are canvassed by the County Commission’s Monday in the respective counties.

The Associated Press is reporting that Kansas Gov. Sam Brownback has won the state's Republican primary as expected, defeating challenger Jennifer Winn. 

Despite the win, Brownback is facing a tougher-than-expected race from Democratic challenger Paul Davis because of questions about whether massive personal income tax enacted at the governor's urging are boosting the economy as promised or wrecking the state's finances.

In the Secretary of State's Republican Primary race, voters gave their approval to incumbent Chris Kobach who defeated challenger Scott Morgan. Kobach, in November, will face Democrat Jean Schodorf. 

In federal races of local interest, Congresswoman Lynn Jenkins gains the GOP nomination to seek another term representing the 2nd District of Kansas in the U.S. House, as she defeats challenger Joshua Tucker. Jenkins is challenged in the genreral election by Democrat Margie Wakefield. 

Three term Republican Senator Pat Roberts won the GOP's nomination to seek another term in Washington, D.C. That follows a heated, and sometimes ugly, race against Tea Party-backed Milton Wolf. Two others also sought the GOP nod in the primary. 

Roberts will now face Democrat Chad Taylor in November's General Election, with Taylor defeating challenger Patrick Wiesner in their party's primary.

And Ken Selzer, of Leawood, emerged from a field of five candidates to win the Republican nomination for Kansas insurance commissioner.  Selzer will face Democrat and Overland Park businessman Dennis Anderson in the November election.