LITTLE ROCK (AP) — The sound of a trumpeter playing "Call to Post" kicked off a different type of race in Arkansas on Monday: the 2010 candidate filing season.

Political candidates and political junkies packed the second-floor rotunda of the state's Capitol late Monday morning, as the Secretary of State's office announced the start of the one-week filing period for the 2010 elections.

For the first time, the Secretary of State is updating filings in real time on Twitter.

Former U.S. Attorney Tim Griffin, who's seeking the Republican nomination for the House seat representing central Arkansas, was the first filer.

Griffin says he arrived at the Capitol early because he wanted to let people know how serious he is about the race.

Arkansas Secretary of State's Twitter feed: