Liberal group hitting 10 House Republicans on shutdown

The ads, from Americans United for Change, hit the lawmakers for siding with "Tea Party Republicans" to shut down the government and urge viewers to call their congressman and tell him to end the shutdown.

“Tim Walberg [Mich.] joined with Tea Party Republicans in Congress and shut down our government, putting hundreds of thousands of Americans out of work, slashing Head Start for thousands of kids, putting benefits for seniors at risk, denying cancer treatment for kids, and halting food inspections,” one ad, running against Walberg, says.

The group is hitting Walberg and Reps. Tom Latham (Iowa), Richard Hanna (N.Y.), Dan Benishek (Mich.), Lou Barletta (Pa.), Jeff Denham (Calif.), Sean Duffy (Wis.), Bill Johnson (Ohio), Andy Barr (Ky.) and Rodney Davis (Ill.) with this round, backed by an overall six-figure ad buy.

Brad Woodhouse, Americans United for Change's president, said in a statement that the House GOP's refusal to pass a clean continuing resolution to fund the government was "the act of extortionist Tea Party Republicans, plain and simple."

Democrats believe there's an opening for them to make political gains on the shutdown, as polling shows Republicans receiving much of the blame for the situation.

Still, most surveys show Americans do feel Democrats and the president are also partly to blame, and Republicans believe their opposition to ObamaCare, which remains unpopular nationwide, will neutralize any political harm from the shutdown.

— This piece was updated at 9:30 a.m. to clarify Woodhouse's statement.