Senate Minority Whip John Thune (R-S.D.), who will succeed McConnell as Senate GOP leader in January, told reporters following the weekly Senate GOP policy luncheon that McConnell is “fine” and “in his office.” He referred any questions about McConnell to the senator’s staff.

Sen. Mitch McConnell fell down again Wednesday, this time on stairs inside the U.S. Capitol moments after a confirmation vote. McConnell, 82, fell while walking out of the Senate chamber after voting to confirm President Trump’s nominee for Secretary of Housing and Urban Development, Scott Turner, according to The Hill.

The process for filling a vacant US Senate seat in Kentucky has changed twice in the last four years. Here’s what to know about the current law.