A tour bus driver is suing rapper Lil Wayne, contending the Grammy Award winner threatened at gunpoint to kill him.

According to court documents obtained by TMZ.com, Mark Jones is suing for false imprisonment, assault and emotional distress after an altercation during the "Believe Me" rapper's concert tour last summer.

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The filing alleges that en route to Buffalo, about 50 miles from the tour's first stop, Jones pulled into a service station for gas around 11:30 p.m. Wayne allegedly started cursing at Jones, intimidating him into continuing to drive without refueling, and then continuing to yell at the driver. The rant escalated, the filing says, to the point where Lil Wayne, 32, born Dwayne Michael Carter Jr., was threatening to pistol-whip Jones and then kill him. With a cocked gun at close range, Wayne allegedly demanded of Jones, "I want to get to the hotel now."

Jones' filing says the rapper remained silent for the remaining half-hour of the drive.

Lil Wayne's spokeswoman did not return Newsday's request for comment.