No new details were released by authorities Sunday morning, The Times-Picayune reported.
Update 3:17 a.m. EDT July 29: According to the New Orleans Advocate, the shooters, both wearing hoodies, opened fire outside a Claiborne Avenue shopping center about 8:30 p.m. CDT.
Advocate reporter Ramon Antonio Vargas tweeted that police believe the shooters, armed with a long gun and a handgun, "fired indiscriminately."
Police said two men and one woman were killed in the gunfire. One of the injured was in critical condition, but the other victims' wounds were not life-threatening, authorities said.
>> Read more trending news
Investigators are urging anyone who has information about the shooting to call New Orleans police at 504-658-5300.