Eric Hovde in Wisconsin has questioned how the election was conducted, while Kari Lake in Arizona has stopped short of blaming her loss on alleged voter fraud.

Republican Dave McCormick won the U.S. Senate election in Pennsylvania, Decision Desk HQ projected on Thursday, beating Democratic incumbent Bob Casey in an important win for Republicans hoping to capture a majority in the chamber.

Keeping the House would give Republicans the power to ram through policies like tax cuts, energy deregulation and border security controls.

With the GOP retaining control of the House, Trump will enjoy a trifecta for at least the first two years of his term.