The network, known for its MAGA-friendly coverage, pointed to gas, diesel and grocery prices as helping drive the shift.
Fox News now predicts Democrats will retake the House in November, while control of the Senate remains up for grabs.
Get links to download the free ABC News App and stream 24/7 live news coverage from your smartphone, mobile, tablet, or connected tv.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results