The first shooting occurred in the French Quarter and was "steps away from where crowds watched the final Mardi Gras Day parades roll by", according to ABC News New Orleans affiliate WGNO.
Within the span of less than two hours Tuesday, a relatively quiet parade season quickly turned violent as three people were injured in two separate shootings.
Gunfire erupted in the 2400 block of St. Charles Avenue (near Second Street) around 4:30 p.m., after two men got into an argument in the street on the opposite side of the parade route, New Orleans police said.
The body of the victim who died at the now chaotic crime scene could be seen inside a red Nissan sedan at the La Express gas station about 2 miles (3.22 kilometers) from where revelers gathered for Fat Tuesday celebrations. Wednesday marks the first day of Lent, a period of reflection and restraint after the days of parades, parties and revelry.
Customers say they love the atmosphere at Rick's and coming to a spot that's been around for years celebrating Mardi Gras makes them feel part of a Fat Tuesday family. He calls Mardi Gras a "family thing" and he wants to teach his kids about it.
Police say they were able to detain a person of interest who saw what happened. Another, a juvenile boy, was shot in the leg and his condition was stable. Police Chief Michael Harrison said a second shooting happened during a fight that broke out. His condition is unknown.
Families are out in force for Fat Tuesday in New Orleans.
Mardi Gras is when you come across alligators - or maybe dragons - from Boston taking photos of two-headed dragons from Wichita, Kansas, in the French Quarter.
Police clarified Wednesday that two teenage boys were wounded in one of the parade route shootings. The French Quarter's most famous street, Bourbon Street, and parallel Royal Street were crowded with costumed tourists and locals, many of them stopping each other for photographs.
The third shooting began as people celebrated Tuesday night at a house party in the Lower 9th Ward, about two miles from the parade route.
Neighbourhood organizations are among the first groups out on Mardi Gras. She says she chose to forego a short skirt because it's cold.
Rex is the city's oldest parading group.