Many of the groups' biggest buys are in districts to where the DCCC recently shifted funds, and the new influx of cash from both sides is likely to quickly escalate the battles in those district.
American Action Network is spending over a million each to protect vulnerable incumbent Reps. Dan Webster in Florida, Jeff Denham in California and Tim JohnsonTim JohnsonFormer GOP senator endorses Clinton after Orlando shooting Housing groups argue Freddie Mac's loss should spur finance reform On Wall Street, Dem shake-up puts party at crossroads MORE in Illinois, and the DCCC is shifting new cash to both Webster and Johnson's races. And the CLF is investing more than a million in Ohio to protect Rep. Jim Renacci, and $750,000 on Rep. Quico Canseco (Texas), both races where the DCCC is pumping in new funds.
And it's spending $250,000 against Rep. Lois Capps (D-Calif.), an announcement that comes just a day after Republican challenger Abel Maldonado released an internal poll that showed him ahead of the incumbent by a point.
Prior to this new infusion of cash, the two groups had spent a combined $2.8 million this cycle.
--This post was published at 9:57 a.m. and updated at 7:24 p.m.