Rand Paul was allegedly "blindsided" by a 59-year-old man at his home and cops have arrested the guy ... TMZ has learned.
The Kentucky Senator was assaulted Friday afternoon by Rene Boucher and suffered a minor injury ... according to law enforcement. Cops were called to the house and determined Boucher did it on purpose and arrested him. He was charged with one count of fourth-degree assault.
Boucher's reportedly a neighbor of Paul's from Bowling Green and the 2 had an argument. He's being held on $5k bond at the Warren County Detention Center.
A spokesperson for the Senator says he's doing fine.
Senator Rand Paul Assaulted by Man at His Kentucky Home | TMZ.com