Argument Between Bus Driver and Passenger Escalates Into Shootout in Charlotte

A bus driver and passenger engaged in a shootout on a moving Charlotte transit bus, leaving both injured.
Surveillance footage shows the driver and passenger drawing and firing guns after the passenger asked to get off between stops and an argument ensued.
It is unclear who fired first, but both the driver and passenger suffered non-life-threatening injuries.
The passenger has been charged, while the driver has been fired for violating policy by carrying a weapon on the job.
The Charlotte transit system has a policy prohibiting employees from carrying firearms while working.