Thomas Ross, who won the Republican primary for 161st District state representative August 4 is being held without bond in the Joplin Municipal Jail.
The in custody page on the Joplin Police Department's website, says Ross is being held on an "unspecified warrant.
Ross defeated Louise Secker by 32 votes in the race to replace term-limited Lane Roberts.
Aaron Metzger was unopposed in the Democratic primary.
The story was originally reported on Four States Home Page.