Neighbourhood organizations are among the first groups out on Mardi Gras.
Krewes are private, non-profit organizations whose members get together year-round to plan their parade's theme, costumes and throws, according to Mardi Gras New Orleans.
Mardi Gras is French for "Fat Tuesday", also called Shrove Tuesday.
Police did not identify any of the victims.
There are about 65,000 catch basin in New Orleans that are the responsibility of the New Orleans Public Works Department.
So if you were looking to close out the Mardi Gras season with a bang, or get ready for Lent, you don't have to look far to do it.
Krewe of Endymion started in 1967 and draws thousands from Mid-City neighborhoods to help kick off its festivities. Founded in 1846, AP has covered all the major news events of the past 165 years, providing high-quality, informed reporting of everything from wars and elections to championship games and royal weddings. One person died at the scene.
The gas station was 3.2 km from a place where people had gathered for Fat Tuesday celebrations. Airs Tuesdays at 1:00 p.m., Wednesdays at 8:30 p.m., and Thursdays at 8:45 a.m.More news: HTC smartphone business president leaves sinking ship ahead of U12 launch
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Deputy Superintendent Paul Noel says one man was shot in the head and is in critical condition. Another, a juvenile boy, was shot in the leg and is in stable condition.
A second shooting happened Uptown near St. Charles and Second Street where a man was shot and rushed to the hospital. Michael Harrison said a fight broke out in the area, and gunfire "erupted" as people were trying to break up the fight. His condition is unknown.
Families are out in force for Fat Tuesday in New Orleans.
Here on the Gulf Coast, we all know we're the real home of Mardi Gras.
Joseph Rhyans moved to Houston in 2002 but tries to come back every year.
Mardi Gras celebrations turn romantic.
The cooks at the banquet center prepared traditional Mardi Gras meals, including jambalaya and cajun chicken, for the students to eat. Those in the city's poorer neighborhoods didn't feel as if they could celebrate in the mainstream New Orleans parade. She described her costume as a cross between Goth and Lolita. She says she chose to forego a short skirt because it's cold.