CHICAGO (CBS) — The heated race between Republican Congresswoman Judy Biggert and Democratic challenger Bill Foster is getting hotter over negative campaigning.

Not surprisingly each side is accusing the other of attacks.

WBBM Political Editor Craig Dellimore reports, Foster’s campaign pointed to Biggert’s hesitation at asking him a question during a televised debate, because he said she didn’t want to go negative.

LISTEN: WBBM Political Editor Craig Dellimore Reports

Biggert says she doesn’t like negative campaigning, calling it shameful.

Aviva Bowen, spokeswoman for Democratic former Congressman Foster, says that’s just the kind of campaign Biggert’s running.

Biggert campaign manager, Mike Lukach, says ads about how former Congressman Foster has run his private business are fair game.

Foster, meanwhile, has ads hammering Biggert on votes dealing with Medicare.

Lukach says Biggert is a senior citizen herself, and it’s laughable to suggest she would do anything to hurt seniors.

Both candidates for the 11th Congressional District—or their supporters–are running attack ads.