CHARLOTTE, N.C. – Another security incident onboard at Charlotte light rail train. WCCB has obtained new video of a man waving a knife at a couple on the light rail. The cell phone video, taken by a passenger on the train, shows a man in a green shirt holding a knife, as he yells at the man and woman. It happened Sunday night around 10pm. The man eventually got off the train at a stop in University City. CATS says no one was hurt and no one called 911 for assistance. Charlotte-Mecklenburg Police are investigating the incident. ...read more read less