Fifteen people were killed and 30 were injured after a U.S. Army veteran with an ISIS flag on his truck swerved around makeshift barriers and plowed into revelers in New Orleans' crowded French Quarter on New Year's Day.

Texas man Shamsud-Din Jabbar drove a truck through a New Orleans street, killing 15 people, in what the FBI is investigating as an act of terrorism.

New Orleans pressed ahead with plans to reopen the city's famed Bourbon Street on Thursday as investigators kept digging into the background of the U.S. Army veteran who drove a pickup truck into a crowd of New Year’s revelers,

The city of New Orleans had begun replacing security barriers along Bourbon Street before Wednesday's truck attack, which killed at least 10 people and injured more than 30, and officials conceded a stop-gap security plan did not work.