LUMBERTON, NC -- A man named Ronald McDonald was shot Thursday at a Sonic Drive-In in North Carolina.McDonald, who is the husband of one of the managers at the Sonic on Roberts Avenue, got into an argument with one of the employees there, police said.Police said McDonald, 36, of Elizabethtown Road in Lumberton, returned to the fast food restaurant and got into another argument with the employee, identified as Telvin Drummond. The two men then exchanged gunshots.McDonald was struck, and suffered what is believed to be a non-life threatening injury.Drummond, 24, of Elizabethtown, was not injured.No charges have been filed. The investigation is ongoing.