Senate Minority Leader Mitch McConnell suffered concussion after he experienced a fall on Wednesday evening and will remain hospitalised for a few days, according to his spokesman.

The top Republican fell during a private dinner on Wednesday, according to David Popp, Mr McConnell’s communications director.

“Leader McConnell tripped at a dinner event Wednesday evening and has been admitted to the hospital and is being treated for a concussion,” Mr Pop said in a statement. “He is expected to remain in the hospital for a few days of observation and treatment. The Leader is grateful to the medical professionals for their care and to his colleagues for their warm wishes.”