Ten people are dead and at least 35 injured after a man drove into a large crowd in New Orleans in the early hours of New Year's Day, authorities have said.
Ten people were killed and at least 35 injured after a man drove into large crowds in New Orleans, Louisiana, in the early hours of New Year's Day, authorities have said.
Here's what we know so far.
Here's what we know so far about what happened and the perpetrator.
Who was Shamsud Din Jabbar?
How did the attack unfold?
The man who drive the truck through a crowd on Bourbon Street early Wednesday morning has been identified as 42-year-old Shamsud Din Jabbar.
At 03:15 local time on New Year's Day, a Ford pick-up truck rammed into crowds gather on Bourbon Street in the heart of New Orleans' French Quarter.
The FBI confirmed earlier today the incident is being invesrigated as an "act of terrorism" and CBS confirmed that he was killed by police gunfire.
CCTV footage shows a white, Ford F-150 Lightning vehicle driving onto the pavement to get around a police car before hitting pedestrians.
Police said earlier that he had fired at officers when they responded to the scene.
Police described the act as "very intentional", adding that the attacker - identified as Shamsud-Din Jabbar - was "hell-bent on creating the carnage and the damage that he did".
Federal Bureau of Investigations (FBI) assistant special agent Alethea Duncan said law enforcement does not believe that the suspect was solely responsible for the attack.
She asked that anyone with information or who may have interacted with the suspected driver of the vehicle in the last 17 hours contact the FBI.
She says "this is an ongoing investigation that's rapidly evolving."
Agent Duncan confirms the attacker was an Army veteran, saying they believe he was on discharge, but cannot currently confirm this.
The truck he was in, a white Ford F-150 Lightning, with a heavily damaged front was geolocated by the BBC Verify team in front of Rick's Cabaret on Bourbon Street, near the Conti Street intersection.
Officials said the vehicle was rented and did not belong to the suspect, according to officials.
Investigators said they found two potential explosive devices at the scene.
A long gun with a "suppressive device" on it - acting as a silencer - was recovered from the scene, CBS reported.
When did the incident happen?
At 0315 on New Year's Day, that he a pickup truck at high speed into a large crowd in Bourbon Street in the heart of New Orleans' French Quarter.
Police described the act as "very intentional", adding that he was "hell-bent on creating the carnage and the damage that he did".
"This man was trying to run over as many people as he possibly could", said New Orleans Police Chief Anne Kirkpatrick.
"This man was trying to run over as many people as he possibly could", said New Orleans Police Chief Anne Kirkpatrick.
The driver fired from his vehicle, injuring two officers. They are in a stable condition, authorities said.
Jabbar was also armed and fired on law enforcement, injuring two officers. He was then killed by police gunfire.
Who was injured?
Whit Davis, from Shreveport, Louisiana, told the BBC that he was held in a bar with a large group in the aftermath of the attack while police secured the scene.
Police said 10 people were killed and at least 35 injured. None of them have been identified yet.
When they left, they "were walking past dead and injured bodies all over the street", he said.
The injured have been sent to several area hospitals for treatment.
Who was Shamsud-Din Jabbar?
Police said it appeared that the victims were mainly locals from the city of New Orleans in Louisiana.
The FBI has named the assailant as 42-year-old Shamsud-Din Jabbar, an Army veteran and US citizen from Texas.
Where did it happen?
A flag associated with the Islamic State group was found in the vehicle he was driving and the FBI said it was investigating what affiliations Jabbar may have had with terrorist groups.
The agency also said investigators did not believe that the suspect was solely responsible for the attack. Suspected improvised explosive devices were found in the area.
A long gun with a "suppressive device" on it - acting as a silencer - was also recovered.
According to a now-removed LinkedIn profile, Jabbar had worked in various roles in the US Army, including in human resources and IT, before he was discharged.
He studied at George State University from 2015 to 2017, graduating with a degree in Computer Information Systems.
He also appears to have worked in real estate, holding a license that expired in 2021. He had a criminal record, relating to traffic offences and theft.
The pick-up truck he was driving was electric and believed to have been rented in Texas via an app.
Who were the victims?
Police said 10 people were killed and at least 35 injured. None have been publicly named.
The University of Georgia's president said one of its students was critically injured, while the Israeli government said two nationals were among those hurt.
Police said it appeared that the victims were mainly locals from New Orleans, even though many tourists were visiting for New Year celebrations and the now-postponed Sugar Bowl, part of the American football college play-offs.
It was due to kick off later on Wednesday evening at the Caesar Superdome, which is not far from scene of the attack.
Where did this happen?
Bourbon Street is a well-known nightlife and tourist hotspot that is filled with restaurants, bars and clubs with live music.
Bourbon Street is a well-known nightlife and tourist hotspot that is filled with restaurants, bars and clubs with live music.
It is within New Orleans' French Quarter, a lively area that attracts tourists and locals, especially to celebrate the new year.
It is within New Orleans' French Quarter, a lively area that attracts tourists and locals, especially to celebrate New Year.
It was established by the French in 1718, and the original grid of streets designed back then is the heart of tourism in the city.
It was established by the French in 1718, and the original grid of streets designed back then is at the heart of what draws visitors to the city.
Every year, upwards of a million people flock to its famous Mardi Gras carnival and parade in the spring, famous for the strings of colourful beads worn by party-goers.
Every year, upwards of a million people flock to its famous Mardi Gras carnival and parade in the spring, famous for the strings of colourful beads worn by party-goers.
The Sugar Bowl, between the US college football teams for Notre Dame and the University of Georgia, is expected to go on as scheduled Wednesday night at the city's Caesars Superdome, according to CBS.
What was found at the scene?
Special Agent Duncan confirmed at a morning news conference that the agency had taken over the investigation.
She stressed that the public should stay away from the area "until we can figure out what is going on".
Police asked that the public stay clear of Bourbon Street between Canal and St Ann streets.
New Orleans mayor, LaToya Cantrell, said the priority Wednesday afternoon continued to be removing victims from Bourbon Street as soon as possible.
What about the Sugar Bowl?
The Sugar Bowl, an annual college American football game, has been postponed until Thursday evening because of the incident in New Orleans.
It was due to kick off later today at the Caesar Superdowm which is not far from the Bourbon Street scene. The University of Georgia was set to take on Notre Dame.
Earlier, the University of Georgia's president said one of its students was critically injured in the attack and is receiving medical treatment.
What did witnesses say?
A witness who was on Bourbon Street at the time of the incident has just shared some of the harrowing scenes.
Whit Davis, from Shreveport, Louisiana, told the BBC: "We had been on and around Bourbon Street since the beginning of the evening.
"When we were in the bar we didn't hear shooting or crashes because the music was so loud," Mr Davis said.
Police held Mr Davis and a group of people in the bar, and when they were allowed to leave he said they "were walking past dead and injured bodies all over the street".
Was the attack terrorism?
Officials are investigating whether the suspect was connected to or inspired by a foreign terror organisation, according to BBC's US news partner CBS.
US Attorney General Merrick Garland said the FBI is investigating the incident as an "act of terrorism".
The FBI, the Bureau of Alcohol, Tobacco, Firearms and Explosives, the Justice Department's National Security Division, and the US Attorney's Office for the Eastern District of Louisiana "will continue to work with our law enforcement partners and will deploy every available resource to conduct this investigation", he added.
