Fast food drive-thru altercations lead to gun violence.

An argument between a McDonald's worker and a customer in the drive-thru of a McDonald's in Jacksonville, Florida, escalated to gun violence when the customer pistol-whipped the employee through the drive-thru window. The employee, who was also armed, came out of the building and shots were fired between the two men. Both were injured but are expected to survive. The Jacksonville Sheriff's office is investigating the incident to determine who fired the first shot and what the argument was about. The employee may be able to defend his actions as self-defense under the stand your ground laws.