The son of presidential candidate and current U.S. senator Rand Paul was cited for drunk driving. William Hilton Paul was driving drunk over the weekend when he crashed his friend's vehicle into a parked car. He was not arrested.

William Paul, 22, crashed his friend's pick up truck Sunday morning into an empty parker car, according to LEX 18. Lexington, Kentucky police cited the eldest of Sen. Rand Paul's children with operating a motor vehicle while under the influence of alcohol but was not arrested.

A witness said she saw the younger Paul in the car at an intersection before driving off. She then heard a loud crash. When police arrived on the scene, William Paul was found with "bloodshot, watery eyes" and smelled of alcohol. He acted in a "belligerent" manner to police officers and slurred his words. He also refused a breathalyzer and blood test.

Police told LEX 18 the younger Paul was not arrested because he had been taken to the hospital.

According to the Lexington Herald-Leader, Paul was taken to University of Kentucky Chandler Hospital and was treated for minor facial injuries. He had been driving his friend's 2006 Honda Ridgeline truck, which was uninsured. He was also cited for driving a car without insurance.

Paul will appear in court on May 12 for his arraignment. He is currently a senior at the University of Kentucky where he studies communications.

However, this is not the younger Paul's first entanglement with the law. The Lexington Herald-Leader found the senator's son has been cited and arrested before.

First, in January 2013 he was arrested for assaulting a flight attendant at Charlotte Douglas International Airport in North Carolina. He was charged with simple assault, underage drinking, and being intoxicated and disruptive when the plane landed.

Later that same year in October 2013 he was cited for possessing alcohol as a minor at the Keeneland racetrack.

The charges from January 2013 were later dropped as part of a deferred prosecution program.

When asked about the incident, Sen. Paul's office said it did not comment on personal matters.