Katko, R-Camillus, is the first House Republican to acknowledge that he will join at least 218 House Democrats who signed onto an impeachment resolution. A vote is expected Wednesday, a week before President-elect Joe Biden will be sworn into office.

Katko said he felt compelled to uphold his oath and defend the Constitution by impeaching Trump.

“To allow the president of the United States to incite this attack without consequence is a direct threat to the future of our democracy,” Katko said in a statement. “For that reason, I cannot sit by without taking action. I will vote to impeach this president.