Democratic U.S. Rep. Kyrsten Sinema has been considered a possible candidate for the U.S. Senate seat held by first-term Arizona Republican Jeff Flake but she says she's running for re-election to the House.

The midterm congressional elections are still a year off, but the Republican Party started ratcheting up its campaign this week against three freshman Arizona Democrats it has targeted in the race.

As guests strolled along the red carpet at the Phoenix Art Museum for the Arizona Capitol Times 2013 Best of the Capitol awards event, a sense of excitement and anticipation filled the air. For the first time in the contest’s ...

The National Republican Congressional Committee is jumping into one of Arizona’s most competitive races with $900,000 in airtime in the 9th Congressional District.

The battle between Democrat Kyrsten Sinema and Republican Vernon Parker over Arizona’s new 9th Congressional District will be close. That’s about where most predictions begin and end.

Democrat Kyrsten Sinema holds a narrow lead over Republican Vernon Parker in Arizona’s 9th Congressional District, according to a poll commissioned by Sinema supporters.

But after testing a slew of negative messages against both candidates, Sinema’s lead widened to double digits.

Outside groups are backing Kyrsten Sinema in the Democratic primary for Arizona’s 9th Congressional District, giving the former state senator a boost as early ballots are being cast.

This week's most outstanding quips, gibes and utterances.

Sen. David Schapira announced his candidacy today for the 9th Congressional District, which will pit him in the Democratic race against former Sen. Kyrsten Sinema.

Officials from Maricopa County are acting quickly to fill the Senate seat left vacant by the resignation of Kyrsten Sinema, who is running for Congress.

The county’s supervisors will pick her replacement in a meeting Wednesday morning, Beth Lewallen, the county’s legislative liaison, confirmed today.