* 

Update (0700ET):

The New Orleans Police Department told ABC News that "the strike appeared to be intentional" and "the driver has not been taken into custody."

In other words, it was a vehicle ramming attack.

Witness tells CNN:

      * 

Update (0640ET):

The City of New Orleans has confirmed ten dead and 30 injured after a vehicle plowed into a large crowd on Canal and Bourbon Street.

The New Orleans Police Department has yet to confirm whether the mass casualty incident was intentional. No details about the driver have been released. 

Governor of Louisiana Jeff Landry writes on X: 

A press conference is expected shortly.

      * 

The New Orleans Police Department told local media outlet WGNO that multiple people are dead after a vehicle plowed into a crowd on Bourbon Street in the French Quarter. The area, a bar and restaurant district popular with tourists, was still very active just hours after New Year's Eve celebrations.

NOPD said the vehicle struck a group of people around 3:15 a.m. local time at the intersection of Bourbon Street and Iberville

Witnesses told CBS News reporter Kati Weis that a truck crashed into the crowd at "high speeds," adding that the driver exited the vehicle and started discharging a weapon, prompting police officers to return fire.

Unconfirmed video. 

Weis reported that multiple people were on the ground with serious injuries.

NOPD told CBS News that "initial reports show a car may have plowed into a group of people. Injuries are unknown but there are reported fatalities."

*Developing...