Smoke is rising over the city from a plant complex that makes chlorine for swimming pools, according to a state official. Residents are advised to shelter in place until further notice.
One of the most powerful storms to hit the state in living memory leaves destruction and misery in its wake, with debris from homes and businesses scattered about and at least one death.
Trump said the campaign briefly considered postponing his convention speech, but he will now continue as planned and visit Texas and Louisiana over the weekend.
As of 12 p.m. ET Thursday, 578,911 customers were without power in Louisiana, and in Texas, 139,307 people were in the dark, according to the tracking site poweroutage.us.
Tropical Storm Marco is forecast to make landfall on Monday, followed closely behind by another storm named by Laura. "The first 72 hours is on you," Gov. John Bel Edwards warned residents.
An investigation has been opened into the killing of Trayford Pellerin, 31, who was shot as he walked away from police toward a convenience store holding a knife, according to authorities.
In a dissent, Chief Justice Bernette Johnson compared Fair Wayne Bryant's sentence to "Pig Laws" in the years after Reconstruction, which enacted harsh penalties for theft and other petty crimes.