What we know about the New Orleans attack

At least 15 people are dead and dozens more are wounded after a US army veteran ploughed his pick-up truck into crowds celebrating the new year.

Revellers were ringing in 2025 in the New Orleans' French quarter, the city's busiest party district in the early hours of New Year's Day.

Federal authorities are describing it as an act of terror.

Today, former FBI and department of homeland security official, Dr. Javed Ali on how the New Orleans investigation is unfolding and the planning required to pull off such a deadly attack. 

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Dr. Javed Ali, former FBI and department of homeland security official

Update: Authorities have clarified that 14 people were killed in the truck attack. The earlier reported death toll of 15 included Jabbar, who was killed by police during a shootout at the scene. At least 30 others were injured.