Senator Mitch McConnell of Kentucky, the minority leader, was hospitalized on Wednesday after tripping at a hotel in Washington, D.C., his spokesman said.

“This evening, Leader McConnell tripped at a local hotel during a private dinner,” the spokesman, David Popp, said in a brief statement early Thursday morning. “He has been admitted to the hospital, where he is receiving treatment.”

No details were immediately available about the 81-year-old Republican’s condition.

This is a developing story.

Luke Broadwater contributed reporting.