What we know about the New Year’s Day attack in New Orleans Boston 25 News [Video]

NEW ORLEANS — (AP) — Investigators now believe the driver who barreled through a crowd of New Year’s Day revelers in New Orleans acted alone and found he posted several videos on social media pledging his support for the Islamic State group, the FBI said Thursday.

The FBI called Wednesday’s attack, which left 14 victims dead, an act of terrorism. The driver, Shamsud-Din Jabbar, a U.S. citizen from Texas, also died in a shootout with police.

Investigators found guns and what appeared to be an improvised explosive device in the vehicle — which bore the flag of the Islamic State group — along with other explosive devices elsewhere in the French Quarter.

The attack unfolded on Bourbon Street, known worldwide as one of the largest destinations for New Year’s Eve parties. Large crowds had gathered in the city ahead of the College Football Playoff quarterfinal at the Sugar Bowl, which was postponed to Thursday afternoon.

Here’s what we know about the …