WASHINGTON -- Republican leaders projected confidence Thursday that they will keep control of the U.S. House as more races were decided in their favor, while Democrats insisted they still see a path toward the majority and sought assurances every vote will be counted.

Control of the House has yet to be determined, as a number of critical races remain too close to call, leaving lawmakers — and voters — waiting to see which party will hold the majority next year. The sprint to 218 seats,