Chicago Alderman Anthony Beale, a Democrat, speaks with election judge Nancy Karen as he casts his vote in Chicago, Tuesday, Feb. 26, 2013, in the special primary election to replace former U.S. Rep. Jesse Jackson in Illinois' 2nd Congressional District. Beale is one of three front-runners in the primary. The others include former state Rep. Robin Kelly and former U.S. Rep. Debbie Halvorson. They were among 14 Democrats and four Republicans in the special primary, but the Democratic winner is expected to sail through the April 9 general election because of the heavily Democratic region. Former Democratic U.S. Rep. Debbie Halvorson casts her vote in Steger, Ill., Tuesday, Feb. 26, 2013, in the special primary election to replace former U.S. Rep. Jesse Jackson in Illinois' 2nd Congressional District. Halvorson is one of the front-runners in the primary. The others include former state Rep. Robin Kelly and Chicago Alderman Anthony Beale. Former Illinois state Rep. Robin Kelly, a Democrat, finds a supporter in Yolanda Stratton as she campaigns at an IHOP in Matteson, Ill., on Tuesday, Feb. 26, 2013, on the final day of the special primary election to replace disgraced former U.S. Rep. Jesse Jackson in Illinois' 2nd Congressional District. Kelly is one of the three front-runners in the primary. CHICAGO (AP) - Former Illinois legislator Robin Kelly captured the Democratic nomination Tuesday in the race to replace disgraced ex-U.S. Rep. Jesse Jackson Jr., after a truncated campaign season where she got a boost from New York City Mayor Michael Bloomberg's super PAC. The nomination all but assures that Kelly will sail through the April 9 general election and head to Washington, because the Chicago-area district is overwhelmingly Democratic. From a crowded field of Democratic contenders, Kelly emerged early as a leader on gun-control issues - a central theme during the race - which helped her win support from Bloomberg's super PAC, Independence USA. It poured more than $2 million into the race by airing anti-gun ads in her favor and against another Democratic front runner, former U.S. Rep. Debbie Halvorson, who unlike Kelly is against banning assault weapons. "We worked really, really hard," the former state representative from Matteson, a south Chicago suburb, told The Associated Press. We were on the right side of the issue and our message resonated. Kelly also defended the financial support from Bloomburg, saying: "No one complains when the NRA was spending big money." Halvorson conceded Tuesday evening, saying the outside money certainly played a roll. "It shows, unfortunately, you can't go up against that big money. ...That's the problem with super PACs," Halvorson, who unsuccessfully challenged Jackson in a primary last year, told the AP. There is nothing I could have done differently. After casting her ballot earlier in the day, in the snowy weather that pelted the region Tuesday, Halvorson had warned that if the ads were successful, Bloomberg would try to "buy seats" across the country. Another Democratic front runner, Chicago Alderman Anthony Beale, also took issue with the ads, saying people are "extremely upset" that someone from New York is trying to tell people in Illinois how to vote and predicting that there will be a "backlash." Beale also conceded late Tuesday. Bloomberg called Kelly's win an important victory for "common sense leadership" on gun violence, saying in a statement that voters nationwide are demanding change from their leaders. His PAC, launched weeks before the November election, has spent more than $12 million backing candidates nationwide. Guns were a leading issue at candidate forums and email blasts from candidates, even as Jackson's legal saga played out in court and frustrated voters who've seen two other congressmen in the office leave under an ethical or legal cloud. Jackson resigned in November, after a months-long medical leave for treatment of bipolar disorder and other issues, then pleaded guilty earlier this month to charges that accused him of misspending $750,000 in campaign money on lavish personal items, including a Rolex watch and fur coats. Jackson's exit created a rare opening in a district where he was first elected in 1995. The primary featured 14 Democrats, including former U.S. Rep. Mel Reynolds, who held the seat in the 1990s but served prison time after being convicted of fraud and for having sex with an underage campaign volunteer. There were four Republicans on the ballot. Voters heading to the polls Tuesday indicated that guns, ethics and economic woes were on their minds. But Country Club Hills minister Rosemary Gage said she voted for former state Rep. Robin Kelly because Kelly is "standing with (President Barack Obama) and trying to get rid of guns." David Berchem, a retired painter, said he voted for Halvorson because he believes she would represent all residents of the district and was "as honest a person as you can find." Beale voted at a school in Chicago, while Kelly voted early. That's the reason Juanita Williams, who went to school with Beale, voted for him Tuesday, saying he helped bring a Wal-Mart to the area. Election officials in the three counties covering the district reported no problems at the polls, even though voters and poll workers had to contend with a blustery mix of snow and sleet. Chicago's Department of Streets and Sanitation deployed extra resources to keep polls accessible. Turnout at the polls was low, and election officials said the weather might have kept some voters on the fence at home. The National Weather Service issued a winter weather advisory for much of northern Illinois and streets and sanitation workers deployed extra resources to keep roads to polls clear.