A Republican congressman from West Virginia on Monday blocked a resolution calling on Vice President Mike Pence to invoke the 25th Amendment and remove President Donald Trump from office, a move that came as Democratic lawmakers unveiled articles of impeachment against the president that are expected to receive a vote later this week.

In a brief session Monday morning, House Majority Leader Steny Hoyer (D-Md.) requested unanimous consent to pass a measure (pdf) urging Pence to “convene and mobilize the principal officers of the executive departments of the Cabinet to activate section 4 of the 25th Amendment to declare [Trump] incapable of executing the duties of his office.”

Rep. Alex Mooney (R-W.Va.)—one of more than 100 House Republicans who voted last week to toss Arizona and Pennsylvania’s electoral votes—objected to the request.

Read more at Common Dreams.