Ohio will test if Republicans can defend against a Democratic comeback

Ohio Governor condemns Ramaswamy ad, maintains endorsement

Ohio voters react to Ramaswamy attack ad

Hazardous chemical tank release prompts evacuation in Ohio

Chemical leak fallout in Ohio

Chemical tank explosion in Ohio forces residents to evacuate

Ohio resident recounts evacuation after chemical leak

Listen to initial dispatch audio of Ohio chemical leak

Attack ad against Amy Acton rattles Ohio governor’s race

Uproar in Ohio governor's race with 13 days until midterm elections

How a viral attack ad is rattling an Ohio race

One-mile evacuation ordered in Ohio after hazardous chemical leak

GOP Ohio Gov. Mike DeWine denounces controversial Ramaswamy attack ad

Unknown chemical leak in Ohio prompts evacuations and shelter-in-place

Ohio candidates break out the surrogate big guns as Trump, Obama make campaign visits

GOP Ohio Gov. Mike DeWine denounces controversial Ramaswamy attack ad

Trump defends ad targeting Ohio candidate

Acton slams Ramaswamy at Obama rally in Cleveland