Rappers Lil Wayne and T.I.'s joint tour stop in Charlotte, North Carolina ended in tragedy on Friday (26Jul13), after a man was stabbed to death outside the concert venue.

Police have launched an investigation into the murder of 24-year-old James Warren Price, who was killed after allegedly becoming embroiled in an argument with a group of men in the parking lot of the Verizon Wireless Amphitheatre following the show.

Witnesses claim the suspects drove off after the knife attack, during which an unidentified woman also received minor injuries.

Cops are now looking at surveillance footage in a bid to find clues to help them track down the men and the getaway car.